Update maven-enforcer version and GHA workflow for Java 21 (#166)

* Update maven-enforcer version and GHA workflow for Java 21

* Test with 23.0.0.10

* Remove older Liberty version from test workflow

.github/workflows/build.yml

@@ -18,15 +18,13 @@ jobs:
       matrix:
         # test against latest update of each major Java version, as well as specific updates of LTS versions:
         os: [ubuntu-latest, windows-latest]
-        WLP_VERSION: [23.0.0_09, 23.0.0_06]
-        java: [17, 11, 8]
+        WLP_VERSION: [23.0.0_10]
+        java: [21, 17, 11, 8]
         include:
           # match up licenses to WLP versions
           # http://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/wasdev/downloads/wlp/index.yml
-          - WLP_VERSION: 23.0.0_06
-            WLP_LICENSE: L-PGXD-4P769M
-          - WLP_VERSION: 23.0.0_09
-            WLP_LICENSE: L-BFLK-F8ALSQ
+          - WLP_VERSION: 23.0.0_10
+            WLP_LICENSE: L-HGVA-YUBJDP
 
     runs-on: ${{ matrix.os }}
     name: WL ${{ matrix.WLP_VERSION }}, Java ${{ matrix.java }}, ${{ matrix.os }}

pom.xml

@@ -85,6 +85,11 @@
                     <artifactId>maven-surefire-plugin</artifactId>
                     <version>3.1.2</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-enforcer-plugin</artifactId>
+                    <version>3.4.1</version>
+                </plugin>
             </plugins>
         </pluginManagement>
 

src/it/setup/pom.xml

@@ -11,8 +11,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
 
     <modules>