Update build-library-jar.yml

Signed-off-by: dennisshey <143208428+dennisshey@users.noreply.github.com>

Author: dennisshey

.github/workflows/build-library-jar.yml

@@ -49,7 +49,7 @@ jobs:
 
       # 🔑 Generate SLSA provenance for the built JAR
       - name: Generate SLSA Provenance
-        uses: slsa-framework/slsa-github-generator/actions/attest-build-provenance@v1
+        uses: slsa-framework/slsa-github-generator/actions/attest-build-provenance@v2.1.0
         with:
           subject-path: "pi4micronaut-utils/build/libs/*.jar"