build(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
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/codeql.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2

.github/workflows/generate-pgo.yaml

@@ -17,7 +17,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
           go-version: 'stable'

.github/workflows/tests.yaml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/setup-go@v4
         with:
           go-version: 'stable'
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Vetting
         run: make vet
       - name: Build
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: tests
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2
         with:
@@ -45,7 +45,7 @@ jobs:
       image: returntocorp/semgrep
     if: (github.actor != 'dependabot[bot]')
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: semgrep ci
         env:
            SEMGREP_RULES: auto