style(ct): add comment explaining what a flavor is in base image Mave…

…n props

Co-authored-by: Philip Durbin <[email protected]>

pom.xml

@@ -999,6 +999,7 @@
                 <app.image.tag>unstable</app.image.tag>
                 <app.skipDeploy>false</app.skipDeploy>
                 <base.image>gdcc/base:${base.image.tag}</base.image>
+                <!-- Flavor is a release from a Linux distro, such as Ubuntu -->
                 <base.image.flavor>noble</base.image.flavor>
                 <!-- base.image.version is coming from parent module via build-helper plugin -->
                 <base.image.tag>${base.image.version}-${base.image.flavor}-p${payara.version}-j${target.java.version}</base.image.tag>