Bump actions/cache from 4 to 5 (#13347)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  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/e2e.yaml

@@ -67,14 +67,14 @@ jobs:
         uses: ./.github/actions/vagrant-setup
       - name: Vagrant R/W Cache
         if: matrix.etest != 'btrfs' && github.ref == 'refs/heads/main'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
              ~/.vagrant.d/boxes
           key: ${{ matrix.etest != 'btrfs' && 'vagrant-box-ubuntu-2404' || 'vagrant-box-leap' }}
       - name: Vagrant Read Cache
         if: matrix.etest != 'btrfs' && github.ref != 'refs/heads/main'
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: |
              ~/.vagrant.d/boxes

.github/workflows/install.yaml

@@ -44,7 +44,7 @@ jobs:
       - name: Set up vagrant and libvirt
         uses: ./.github/actions/vagrant-setup
       - name: "Vagrant Cache"
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
              ~/.vagrant.d/boxes

.github/workflows/nightly-install.yaml

@@ -30,7 +30,7 @@ jobs:
       - name: Set up vagrant and libvirt
         uses: ./.github/actions/vagrant-setup
       - name: "Vagrant Cache"
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
              ~/.vagrant.d/boxes