fix: Prevent dockerPreRelease from updating latest tag

Embed the version tag directly in the image name instead of using
a separate tags section, so only the versioned image is pushed.

Author: johngrimes

server/pom.xml

@@ -872,10 +872,7 @@
                 </platforms>
               </from>
               <to>
-                <image>${pathling.fhirServerDockerRepo}</image>
-                <tags>
-                  <tag>${project.version}</tag>
-                </tags>
+                <image>${pathling.fhirServerDockerRepo}:${project.version}</image>
               </to>
               <container>
                 <jvmFlags>