chore(deps): bump actions/cache from 3 to 4 (#5098)

Bumps [actions/cache](https://github.com/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](https://github.com/actions/cache/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  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/build.yml

@@ -174,7 +174,7 @@ jobs:
 
       - name: Cache conan packages (Windows)
         if: startsWith(matrix.os, 'windows')
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           key: ${{ runner.os }}-conan-user-${{ hashFiles('**/conanfile.py') }}${{ env.C2_CONAN_CACHE_SUFFIX }}
           path: ~/.conan2/

.github/workflows/test-windows.yml

@@ -83,7 +83,7 @@ jobs:
             sccache-test-${{ matrix.os }}-${{ matrix.qt-version }}
 
       - name: Cache conan packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           key: ${{ runner.os }}-conan-user-${{ hashFiles('**/conanfile.py') }}${{ env.C2_CONAN_CACHE_SUFFIX }}
           path: ~/.conan2/