Updated restlet maven repo url to https address, so it should work with maven 3.8.1 now

Previously I had baked in an earlier version of maven to work around this issue on github, which always uses the latest maven. But it should work now without that workaround.
See restlet/restlet-framework-java#1384

Author: marinier

.github/workflows/maven.yml

@@ -24,4 +24,4 @@ jobs:
       with:
         java-version: ${{ matrix.java }}
     - name: Build with Maven
-      run: ./mvnw -B package --file pom.xml "-Dmaven.wagon.http.retryHandler.count=10" "-Dhttp.keepAlive=false" "-Dmaven.wagon.http.pool=false" "-Dmaven.wagon.httpconnectionManager.ttlSeconds=120" -e
+      run: mvn -B package --file pom.xml "-Dmaven.wagon.http.retryHandler.count=10" "-Dhttp.keepAlive=false" "-Dmaven.wagon.http.pool=false" "-Dmaven.wagon.httpconnectionManager.ttlSeconds=120" -e

.mvn/wrapper/MavenWrapperDownloader.java

@@ -12,7 +12,7 @@
         <repository>
             <id>maven-restlet</id>
             <name>Public online Restlet repository</name>
-            <url>http://maven.restlet.org</url>
+            <url>https://maven.restlet.talend.com</url>
         </repository>
     </repositories>