Use Java 21

Author: elpete

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: "temurin"
-          java-version: "11"
+          java-version: 21
 
       - name: Cache CommandBox Dependencies
         uses: actions/cache@v4

.github/workflows/pr.yml

@@ -72,7 +72,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: "temurin"
-          java-version: "11"
+          java-version: 21
 
       - name: Setup CommandBox CLI
         uses: Ortus-Solutions/[email protected]