Configure aqtinstall to use a mirror

.github/workflows/ci.yml

@@ -104,6 +104,8 @@ jobs:
 
     - name: Install Qt
       uses: jdpurcell/install-qt-action@v5
+      env:
+        AQT_CONFIG: ${{ github.workspace }}/source/tools/aqt-settings.ini
       with:
         version: ${{ matrix.qt_version }}
         arch: ${{ matrix.qt_arch_aqt }}

.github/workflows/clang-tidy-review.yml

@@ -48,7 +48,9 @@ jobs:
         path: clang-tidy-review
 
     - name: Install Qt
-      uses: jurplel/install-qt-action@v4
+      uses: jdpurcell/install-qt-action@v5
+      env:
+        AQT_CONFIG: ${{ github.workspace }}/source/tools/aqt-settings.ini
       with:
         version: ${{ matrix.qt_version }}
         arch: ${{ matrix.qt_arch_aqt }}

tools/aqt-settings.ini

@@ -0,0 +1,17 @@
+[aqt]
+# Using this mirror instead of download.qt.io because of timeouts in CI
+# Below is the default URL of the mirror
+# baseurl: https://download.qt.io
+baseurl: https://qt.mirror.constant.com
+
+[requests]
+# Mirrors require sha1 instead of sha256
+hash_algorithm: sha1
+
+[mirrors]
+trusted_mirrors:
+    https://qt.mirror.constant.com
+fallbacks:
+    https://qt.mirror.constant.com
+    https://mirrors.ocf.berkeley.edu
+    https://download.qt.io