[Build] Replace use of coactions/setup-xvfb

.github/workflows/maven.yml

@@ -34,6 +34,9 @@ jobs:
           - { name: MacOS ARM, os: macos-latest, native: cocoa.macosx.aarch64 }
     name: Verify ${{ matrix.config.name }} with Java-${{ matrix.java }}
     runs-on: ${{ matrix.config.os }}
+    defaults:
+      run:
+        shell: ${{ contains(matrix.config.native, 'win32') && 'cmd' || 'bash' }}
     steps:
     - name: checkout swt
       uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
@@ -60,9 +63,8 @@ jobs:
       with:
         maven-version: 3.9.9
     - name: Build
-      uses: coactions/setup-xvfb@6b00cf1889f4e1d5a48635647013c0508128ee1a
-      with:
-       run: >-
+      run: >-
+        ${{ contains(matrix.config.native, 'linux') && 'xvfb-run' || '' }}
         mvn --batch-mode -V -U -e
         --threads 1C
         -DforkCount=1
@@ -76,10 +78,9 @@ jobs:
         clean install
     - name: Performance tests
       if: contains(github.event.pull_request.labels.*.name, 'performance')
-      uses: coactions/setup-xvfb@6b00cf1889f4e1d5a48635647013c0508128ee1a
-      with:
-       working-directory: tests/org.eclipse.swt.tests
-       run: >-
+      working-directory: tests/org.eclipse.swt.tests
+      run: >-
+        ${{ contains(matrix.config.native, 'linux') && 'xvfb-run' || '' }}
         mvn --batch-mode -V -U -e
         -DforkCount=1
         --fail-at-end