Bump actions/checkout from 2.3.5 to 2.4.0 (#87)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.5...v2.4.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
     - name: go mod pakcage cache
       uses: actions/[email protected]
@@ -67,7 +67,7 @@ jobs:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
 
     - name: go mod pakcage cache
@@ -111,7 +111,7 @@ jobs:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
     - name: go mod pakcage cache
       uses: actions/[email protected]
@@ -154,7 +154,7 @@ jobs:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
     - name: go mod pakcage cache
       uses: actions/[email protected]