Bump actions/checkout from 3 to 4 (#80)

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

.github/workflows/_shared-docs-build-pr.yml

@@ -290,7 +290,7 @@ jobs:
           fi
 
       - name: Checkout BASE
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.base.sha }}
           path: ${{ steps.vars.outputs.checkout-path }}
@@ -329,7 +329,7 @@ jobs:
           artifact-upload: 'false'
 
       - name: Checkout HEAD
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # It would be better to use
           #

.github/workflows/_shared-docs-build-push.yml

@@ -208,7 +208,7 @@ jobs:
           fi
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: ${{ steps.vars.outputs.checkout-path }}
           ref: ${{ inputs.build-ref }}

.github/workflows/generate-wiki-docs.yml

@@ -23,11 +23,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - if: fromJSON(env.SHOULD_RUN)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Checkout wiki
         if: fromJSON(env.SHOULD_RUN)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ github.repository }}.wiki
           path: ${{ env.WIKI }}

.github/workflows/test-action-build-html.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Simple 1 invoke - no copy, no artifact
         id: simple1

.github/workflows/test-action-build-init.yml

@@ -108,7 +108,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Python
         uses: actions/setup-python@v5