turn on verbose output for plugins on CI

Author: ktoso

.github/workflows/pull_request.yml

@@ -28,6 +28,7 @@ jobs:
       image: ${{ (contains(matrix.swift_version, 'nightly') && 'swiftlang/swift') || 'swift' }}:${{ matrix.swift_version }}-${{ matrix.os_version }}
     env:
       JAVA_HOME: "/usr/lib/jvm/default-jdk"
+      SWIFT_JAVA_VERBOSE: true
     steps:
       - uses: actions/checkout@v4
       - name: Prepare CI Environment
@@ -53,6 +54,7 @@ jobs:
       image: ${{ (contains(matrix.swift_version, 'nightly') && 'swiftlang/swift') || 'swift' }}:${{ matrix.swift_version }}-${{ matrix.os_version }}
     env:
       JAVA_HOME: "/usr/lib/jvm/default-jdk"
+      SWIFT_JAVA_VERBOSE: true
     steps:
       - uses: actions/checkout@v4
       - name: Prepare CI Environment