Merge #733

733: Bump sha2 from 0.9.5 to 0.9.6 r=thomaseizinger a=dependabot[bot]

Bumps [sha2](https://github.com/RustCrypto/hashes) from 0.9.5 to 0.9.6.
<details>
<summary>Commits</summary>
<ul>
<li><a href="4a2845c226"><code>4a2845c</code></a> sha2 v0.9.6 (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/308">#308</a>)</li>
<li><a href="876fdc1139"><code>876fdc1</code></a> sha-1 v0.9.8 (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/307">#307</a>)</li>
<li><a href="8288805b24"><code>8288805</code></a> build(deps): bump cpufeatures from 0.1.5 to 0.2.1 (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/306">#306</a>)</li>
<li><a href="7ad6a68922"><code>7ad6a68</code></a> blake2 v0.9.2 (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/305">#305</a>)</li>
<li><a href="a7a5ad4648"><code>a7a5ad4</code></a> make blake2 with simd_opt work on nightly (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/301">#301</a>)</li>
<li><a href="1cb3dee1d4"><code>1cb3dee</code></a> fsb: fix Reset impl and reduce crate size (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/300">#300</a>)</li>
<li><a href="a45eaef873"><code>a45eaef</code></a> ripemd256: add CI config (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/298">#298</a>)</li>
<li><a href="ada848ee18"><code>ada848e</code></a> README.md: add <code>ripemd256</code> crate (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/297">#297</a>)</li>
<li><a href="bf1876bf0b"><code>bf1876b</code></a> Fix typo in RIPEMD-256 keywords (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/296">#296</a>)</li>
<li><a href="677f59a201"><code>677f59a</code></a> RIPEMD-256 implementation (<a href="https://github-redirect.dependabot.com/RustCrypto/hashes/issues/278">#278</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/RustCrypto/hashes/compare/sha2-v0.9.5...sha2-v0.9.6">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=sha2&package-manager=cargo&previous-version=0.9.5&new-version=0.9.6)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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Cargo.lock

@@ -25,7 +25,7 @@ checksum = "bbda1ffd586ec58bdbc3290f9243c1d05bec1abf49ec15e4bc3d60070b7d9d11"
 dependencies = [
  "cfg-if 1.0.0",
  "cipher",
- "cpufeatures",
+ "cpufeatures 0.1.4",
  "opaque-debug 0.3.0",
 ]
 
@@ -552,7 +552,7 @@ checksum = "fee7ad89dc1128635074c268ee661f90c3f7e83d9fd12910608c36b47d6c3412"
 dependencies = [
  "cfg-if 1.0.0",
  "cipher",
- "cpufeatures",
+ "cpufeatures 0.1.4",
  "zeroize",
 ]
 
@@ -712,6 +712,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95059428f66df56b63431fdb4e1947ed2190586af5c5a8a8b71122bdf5a7f469"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "cpuid-bool"
 version = "0.1.2"
@@ -1012,7 +1021,7 @@ dependencies = [
  "ed25519",
  "rand 0.7.3",
  "serde",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "zeroize",
 ]
 
@@ -1861,9 +1870,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.98"
+version = "0.2.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
+checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 
 [[package]]
 name = "libgit2-sys"
@@ -1930,7 +1939,7 @@ dependencies = [
  "rand 0.7.3",
  "ring",
  "rw-stream-sink",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "smallvec",
  "thiserror",
  "unsigned-varint 0.7.0",
@@ -1981,7 +1990,7 @@ dependencies = [
  "prost",
  "prost-build",
  "rand 0.8.3",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "snow",
  "static_assertions",
  "x25519-dalek",
@@ -2016,7 +2025,7 @@ dependencies = [
  "prost",
  "prost-build",
  "rand 0.8.3",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "thiserror",
  "unsigned-varint 0.7.0",
  "uuid",
@@ -2127,7 +2136,7 @@ dependencies = [
  "libsecp256k1-gen-genmult",
  "rand 0.7.3",
  "serde",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "typenum",
 ]
 
@@ -2461,7 +2470,7 @@ dependencies = [
  "digest 0.9.0",
  "generic-array 0.14.4",
  "multihash-derive",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "unsigned-varint 0.5.1",
 ]
 
@@ -2808,7 +2817,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fe800695325da85083cd23b56826fccb2e2dc29b218e7811a6f33bc93f414be"
 dependencies = [
- "cpufeatures",
+ "cpufeatures 0.1.4",
  "opaque-debug 0.3.0",
  "universal-hash",
 ]
@@ -2819,7 +2828,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "864231b0b86ce05168a8e6da0fea2e67275dacf25f75b00a62cfd341aab904a9"
 dependencies = [
- "cpufeatures",
+ "cpufeatures 0.1.4",
  "opaque-debug 0.3.0",
  "universal-hash",
 ]
@@ -3773,13 +3782,13 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.9.5"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
+checksum = "9204c41a1597a8c5af23c82d1c921cb01ec0a4c59e07a9c7306062829a3903f3"
 dependencies = [
  "block-buffer 0.9.0",
  "cfg-if 1.0.0",
- "cpufeatures",
+ "cpufeatures 0.2.1",
  "digest 0.9.0",
  "opaque-debug 0.3.0",
 ]
@@ -3896,7 +3905,7 @@ dependencies = [
  "rand_core 0.6.2",
  "ring",
  "rustc_version 0.3.3",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "subtle 2.4.0",
  "x25519-dalek",
 ]
@@ -4151,7 +4160,7 @@ dependencies = [
  "serde_cbor",
  "serde_json",
  "serde_with",
- "sha2 0.9.5",
+ "sha2 0.9.6",
  "sigma_fun",
  "sled",
  "spectral",
@@ -4250,7 +4259,7 @@ dependencies = [
  "rand 0.7.3",
  "serde",
  "serde_json",
- "sha2 0.9.5",
+ "sha2 0.9.6",
 ]
 
 [[package]]
@@ -4265,7 +4274,7 @@ dependencies = [
  "rand 0.8.3",
  "serde",
  "serde_json",
- "sha2 0.9.5",
+ "sha2 0.9.6",
 ]
 
 [[package]]