Bump actions/checkout from 3 to 4 (#2705)

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](https://github.com/actions/checkout/compare/v3...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/generate-counter.yml

@@ -8,7 +8,7 @@ jobs:
   generate-counter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PROTECTED_BRANCH_PUSH_TOKEN }}
       - name: Install poetry

.github/workflows/generate-docs.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.PROTECTED_BRANCH_PUSH_TOKEN }}
       - name: setup ruby

.github/workflows/validate-atomics.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry
       - name: setup python3.11
@@ -30,7 +30,7 @@ jobs:
   validate-terraform:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: hashicorp/setup-terraform@v3
 
       - name: Terraform fmt
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry
       - name: setup python3.11