Bump actions/checkout from 2 to 2.3.4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 2.3.4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v2.3.4)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-release-binaries.yml

@@ -41,7 +41,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout tagged commit
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           ref: ${{ github.event.release.target_commitish }}
           token: ${{ secrets.BOTTY_GITHUB_TOKEN }}

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - uses: Swatinem/rust-cache@v1.2.0
 
@@ -45,7 +45,7 @@ jobs:
     steps:
 
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - uses: Swatinem/rust-cache@v1.2.0
 
@@ -78,7 +78,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - uses: Swatinem/rust-cache@v1.2.0
 
@@ -116,7 +116,7 @@ jobs:
     steps:
 
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - uses: Swatinem/rust-cache@v1.2.0
 

.github/workflows/create-release.yml

@@ -11,7 +11,7 @@ jobs:
     if: github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'release/')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Extract version from branch name
         id: extract-version

.github/workflows/draft-new-release.yml

@@ -12,7 +12,7 @@ jobs:
     name: "Draft a new release"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           token: ${{ secrets.BOTTY_GITHUB_TOKEN }}
 

.github/workflows/preview-release.yml

@@ -10,7 +10,7 @@ jobs:
     name: Create preview release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Delete 'preview' release
         uses: larryjoelane/delete-release-action@v1.0.24