Bump actions/checkout from 2.4.0 to 3.0.1 (#273)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3.0.1)

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

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

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

.github/workflows/codeql.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3.0.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2.1.6

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
       with:
         go-version: 1.16
     - name: Checkout code
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v3.0.1
     - name: Run linters
       uses: golangci/golangci-lint-action@v2.5.2
       with:
@@ -33,7 +33,7 @@ jobs:
       with:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v3.0.1
     - name: Run tests
       run: go test -race ./...
 
@@ -46,7 +46,7 @@ jobs:
       with:
         go-version: 1.16
     - name: Checkout code
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v3.0.1
     - name: Calc coverage
       run: |
         go test -v -covermode=count -coverprofile=coverage.out