HADOOP-18268. Install maven from Apache archives (#4373)

* The remote server hosting maven
  was temporarily unavailable causing
  the Hadoop Jenkins CI to fail.
* Thus, we're switching to use a CDN
  to mitigate such issues.

dev-support/docker/pkg-resolver/install-maven.sh

@@ -40,7 +40,7 @@ fi
 
 if [ "$version_to_install" == "3.6.3" ]; then
   mkdir -p /opt/maven /tmp/maven &&
-    curl -L -s -S https://mirrors.estointernet.in/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz \
+    curl -L -s -S https://dlcdn.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz \
       -o /tmp/maven/apache-maven-3.6.3-bin.tar.gz &&
     tar xzf /tmp/maven/apache-maven-3.6.3-bin.tar.gz --strip-components 1 -C /opt/maven
 else