Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [actions/cache](https://github.com/actions/cache).


Updates `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)

Updates `actions/cache` from 3 to 4
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/test.yml

@@ -31,18 +31,18 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Bootstrap Action Workspace
       uses: ./.github/workflows/bootstrap
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
         restore-keys: |
           ${{ runner.os }}-nuget-
             
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: ~\AppData\Local\ElasticManaged\elasticsearch-${{ env.ELASTIC_STACK_VERSION }}
         key: ${{ runner.os }}-elastic-managed-${{ env.ELASTIC_STACK_VERSION }}
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Bootstrap Action Workspace
       uses: ./.github/workflows/bootstrap
 

.github/workflows/update-specs.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: elastic/apm-pipeline-library/.github/actions/updatecli@current
         with: