workflows: bump actions/cache from 4 to 5

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](actions/cache@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] <[email protected]>

Author: dependabot[bot]

.github/workflows/call-build-windows.yaml

@@ -137,7 +137,7 @@ jobs:
 
       - name: Restore cached packages of vcpkg
         id: cache-vcpkg-sources
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: |
             C:\vcpkg\installed
@@ -163,7 +163,7 @@ jobs:
 
       - name: Save packages of vcpkg
         id: save-vcpkg-sources
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: |
             C:\vcpkg\installed

.github/workflows/call-windows-unit-tests.yaml

@@ -94,7 +94,7 @@ jobs:
 
       - name: Restore cached packages of vcpkg
         id: cache-unit-test-vcpkg-sources
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: |
             C:\vcpkg\installed
@@ -120,7 +120,7 @@ jobs:
 
       - name: Save packages of vcpkg
         id: save-vcpkg-sources
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: |
             C:\vcpkg\installed