Switch to ubuntu-latest

.github/workflows/build.yml

@@ -16,7 +16,7 @@ env:
   CARGO_TERM_COLOR: always
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -32,7 +32,7 @@ jobs:
           target: ${{ matrix.arch }}-unknown-linux-musl
       - uses: Swatinem/rust-cache@v1
         with:
-          key: ubuntu-18.04-${{ matrix.arch }}-${{ matrix.feature }}
+          key: ubuntu-latest-${{ matrix.arch }}-${{ matrix.feature }}
 
       - run: cargo install cross
       - name: cross build
@@ -48,7 +48,7 @@ jobs:
           path: target/${{ matrix.arch }}-unknown-linux-musl/release/xremap-linux-${{ matrix.arch }}-${{ matrix.feature }}.zip
 
   fmt:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -60,7 +60,7 @@ jobs:
         run: cargo fmt -- --check
 
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -70,11 +70,11 @@ jobs:
           override: true
       - uses: Swatinem/rust-cache@v1
         with:
-          key: ubuntu-18.04
+          key: ubuntu-latest
       - run: cargo test
 
   publish:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     needs:
       - build
       - test
@@ -88,7 +88,7 @@ jobs:
           override: true
       - uses: Swatinem/rust-cache@v1
         with:
-          key: ubuntu-18.04
+          key: ubuntu-latest
 
       # Release crate
       - name: cargo login