Rely on released versions

core/pom.xml

@@ -393,7 +393,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.kohsuke.stapler</groupId>
       <artifactId>stapler-groovy</artifactId>
-      <version>1.167-SNAPSHOT</version>
+      <version>1.167</version>
       <exclusions>
         <exclusion>
           <groupId>commons-jelly</groupId>

pom.xml

@@ -135,7 +135,7 @@ THE SOFTWARE.
         <plugin>
           <groupId>org.jenkins-ci.tools</groupId>
           <artifactId>maven-hpi-plugin</artifactId>
-          <version>1.70-SNAPSHOT</version>
+          <version>1.70</version>
         </plugin>
         <plugin>
           <!--