CI/CD - update deprecated actions/upload-artifact@v4 -> @v6

Author: gkv311

.github/workflows/build_linux.yml

@@ -44,7 +44,7 @@ jobs:
         xvfb-run --server-args="-screen 0 800x600x24" $screenshot_sh ./occt-qtquick-sample       ./occt-qtquick.png       5
         popd
     - name: Upload artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: occt-qt5-linux
         path: occt-samples-qt/*.png
@@ -90,7 +90,7 @@ jobs:
         xvfb-run --server-args="-screen 0 800x600x24" $screenshot_sh ./occt-qtquick-sample       ./occt-qtquick.png       5
         popd
     - name: Upload artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: occt-qt6-linux
         path: occt-samples-qt/*.png

.github/workflows/build_wnt.yml

@@ -92,7 +92,7 @@ jobs:
         cp -f -r $msys_root/share/qt5/qml/QtQuick       $inst_bin/QtQuick
         cp -f -r $msys_root/share/qt5/qml/QtQuick.2     $inst_bin/QtQuick.2
     - name: Upload build
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: occt-qt5-mingw-ucrt64
         path: ${{ github.workspace }}/occt-samples-qt