Bump jurplel/install-qt-action from 3 to 4 (#45)

Bumps [jurplel/install-qt-action](https://github.com/jurplel/install-qt-action) from 3 to 4.
- [Release notes](https://github.com/jurplel/install-qt-action/releases)
- [Commits](jurplel/install-qt-action@v3...v4)

---
updated-dependencies:
- dependency-name: jurplel/install-qt-action
  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/windows-build-qt6.yml

@@ -28,7 +28,7 @@ jobs:
         key: ${{ runner.os }}-QtCache2
 
     - name: Install Qt
-      uses: jurplel/install-qt-action@v3
+      uses: jurplel/install-qt-action@v4
       with:
         version: '6.3.0'
         cached: ${{ steps.cache-qt.outputs.cache-hit }}