GHA CI: bump "Install Qt" action version

.github/workflows/ci_macos.yaml

@@ -51,10 +51,8 @@ jobs:
           mv "${{ github.workspace }}/.."/boost_* "${{ env.boost_path }}"
 
       - name: Install Qt
-        uses: jurplel/install-qt-action@v2
+        uses: jurplel/install-qt-action@v3
         with:
-          aqtversion: '==2.1.0'
-          setup-python: false
           version: ${{ matrix.qt_version }}
 
       - name: Install libtorrent

.github/workflows/ci_ubuntu.yaml

@@ -40,7 +40,7 @@ jobs:
             max_size=2G
 
       - name: Install Qt
-        uses: jurplel/install-qt-action@v2
+        uses: jurplel/install-qt-action@v3
         with:
           version: ${{ matrix.qt_version }}
 

.github/workflows/ci_windows.yaml

@@ -74,9 +74,8 @@ jobs:
           move "${{ github.workspace }}/../boost_*" "${{ env.boost_path }}"
 
       - name: Install Qt
-        uses: jurplel/install-qt-action@v2
+        uses: jurplel/install-qt-action@v3
         with:
-          aqtversion: '==2.1.0'
           version: "6.3.0"
 
       - name: Install libtorrent

.github/workflows/coverity-scan.yml

@@ -22,9 +22,9 @@ jobs:
             libboost-dev libssl-dev zlib1g-dev
 
       - name: Install Qt
-        uses: jurplel/install-qt-action@v2
+        uses: jurplel/install-qt-action@v3
         with:
-          version: "5.15.2"
+          version: "6.3.0"
 
       - name: Install libtorrent
         run: |