Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

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

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

.github/workflows/acceptance.yaml

@@ -18,7 +18,7 @@ jobs:
         go: [ '1.17' ]
     name: Acceptance Tests
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
         go: [ '1.17', '1.16', '1.15', '1.14', '1.13' ]
     name: Go ${{ matrix.go }} CI test
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}

.github/workflows/lint.yaml

@@ -9,7 +9,7 @@ jobs:
         go: [ '1.17' ]
     name: Linting
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}

.github/workflows/release.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
       -
         name: Unshallow
         run: git fetch --prune --unshallow

.github/workflows/trivy.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Trivy vulnerability scanner (Terraform config)
         uses: aquasecurity/trivy-action@master