chore(CI): use latest version of install-qt-action

Author: keshavbhatt

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v2
       - name: Install Qt
-        uses: jurplel/install-qt-action@v2
+        uses: jurplel/install-qt-action@v2.14.0
         with:
           version: ${{env.QT_VERSION}}
           modules: qtwebengine