chore: bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v2...v4)

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

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

.github/workflows/golangci-lint.yml

@@ -15,7 +15,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2
         with:

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/scorecard.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846 # tag=v3.0.0
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # tag=v2.7.0
         with:
           persist-credentials: false
 

.github/workflows/verify-docgen.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v2
         with:
           go-version: '1.19.x'

.github/workflows/verify-licence.yml

@@ -9,7 +9,7 @@ jobs:
       name: license boilerplate check
       runs-on: ubuntu-latest
       steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v4
         - uses: actions/setup-go@v2
           with:
             go-version: '1.18.x'