old maven versions attept to download from the HTTP-side of maven central - this wasdisabled and only HTTPS works - see if we can add a mirror to avoid any issues

Author: TheSnoozer

.buildscript/settings.xml

@@ -6,4 +6,11 @@
       <password>${env.CI_DEPLOY_PASSWORD}</password>
     </server>
   </servers>
+  <mirrors>
+    <mirror>
+      <id>central-secure</id>
+      <url>https://repo.maven.apache.org/maven2</url>
+      <mirrorOf>central</mirrorOf>
+    </mirror>
+  </mirrors>
 </settings>

.github/workflows/default-tests.yml

@@ -91,9 +91,9 @@ jobs:
       - name: Verify Setup of Maven ${{ matrix.maven_version }}
         run: bash -c "echo ${M2_HOME}; echo ${PATH}; mvn -version"
       - name: Install a test version with Maven
-        run: mvn clean install -B
+        run: mvn clean install -B --settings=./.buildscript/settings.xml
       - name: Run the local testversion with Maven
-        run: mvn clean initialize -B -Pdemo -Dmaven.test.skip=true
+        run: mvn clean initialize -B -Pdemo -Dmaven.test.skip=true --settings=./.buildscript/settings.xml
       - name: Validate if the testversion has produced the desired output
         run: /bin/bash -c '[[ -f maven/target/testing.properties ]] && cat maven/target/testing.properties || exit 1;'