Disable snapshot artifacts for Google Mirror

Author: gsmet

.github/mvn-settings.xml

@@ -1,4 +1,5 @@
-<settings>
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd">
   <profiles>
     <profile>
       <id>google-mirror</id>
@@ -7,13 +8,25 @@
           <id>google-maven-central</id>
           <name>GCS Maven Central mirror</name>
           <url>https://maven-central.storage-download.googleapis.com/maven2/</url>
+          <releases>
+            <enabled>true</enabled>
+          </releases>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
         </repository>
       </repositories>
       <pluginRepositories>
         <pluginRepository>
           <id>google-maven-central</id>
           <name>GCS Maven Central mirror</name>
           <url>https://maven-central.storage-download.googleapis.com/maven2/</url>
+          <releases>
+            <enabled>true</enabled>
+          </releases>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
         </pluginRepository>
       </pluginRepositories>
     </profile>