[GTK4] Migrate to API version 6.0 of webkit and jsc

.github/workflows/maven.yml

@@ -33,9 +33,9 @@ jobs:
         java: [ '21' ]
         config: 
           - { name: Linux, os: ubuntu-latest, native: gtk.linux.x86_64 }
-          - { name: Windows, os: windows-latest, native: win32.win32.x86_64 }
-          - { name: MacOS x86, os: macos-13, native: cocoa.macosx.x86_64 }
-          - { name: MacOS ARM, os: macos-latest, native: cocoa.macosx.aarch64 }
+          # - { name: Windows, os: windows-latest, native: win32.win32.x86_64 }
+          # - { name: MacOS x86, os: macos-13, native: cocoa.macosx.x86_64 }
+          # - { name: MacOS ARM, os: macos-latest, native: cocoa.macosx.aarch64 }
     name: Verify ${{ matrix.config.name }} with Java-${{ matrix.java }}
     runs-on: ${{ matrix.config.os }}
     steps:
@@ -48,7 +48,12 @@ jobs:
       if: ${{ matrix.config.native == 'gtk.linux.x86_64'}}
       run: |
         sudo apt-get update -qq 
-        sudo apt-get install -qq -y libgtk-3-dev libgtk-4-dev freeglut3-dev webkit2gtk-driver
+        sudo apt-get install -qq -y libgtk-3-dev libgtk-4-dev freeglut3-dev webkit2gtk-driver  libwebkitgtk-6.0-4
+        # WebKit for GTK4 uses bwrap and on Ubuntu 24.04 default settings are not working
+        # so turn off apparmor. We are already running in a protected environment, so we
+        # don't really need this extra level.
+        sudo sysctl kernel.unprivileged_userns_clone=1
+        sudo sysctl kernel.apparmor_restrict_unprivileged_userns=0
     - name: Pull large static Windows binaries
       if: ${{ matrix.config.native == 'win32.win32.x86_64'}}
       run: |
@@ -69,14 +74,15 @@ jobs:
       run: >-
         ${{ contains(matrix.config.native, 'linux') && 'xvfb-run' || '' }}
         mvn --batch-mode -V -U -e
-        --threads 1C
+        --threads 1
         -DforkCount=1
         '-Dnative=${{ matrix.config.native }}'
         -Papi-check -Pjavadoc
         '-Dtycho.baseline.replace=none'
         --fail-at-end
         -DskipNativeTests=false
         -DfailIfNoTests=false
+        ${{ contains(matrix.config.native, 'linux') && '-DexcludedGroups=gtk4-todo' || '' }}
         clean install
     - name: Performance tests
       if: contains(github.event.pull_request.labels.*.name, 'performance')