chore: group dependabot atlassian updates [skip ci]

Author: rantoniuk

.github/dependabot.yml

@@ -9,7 +9,12 @@ updates:
       - dependency-name: "org.jenkins-ci.main:jenkins-core"
       # fugue comes from upstream Atlassian dependency
       - dependency-name: "io.atlassian.fugue:fugue"
-      
+    groups:
+      atlassian:
+        patterns:
+          - "com.atlassian.plugins:*"
+          - "com.atlassian.jira:*"
+  
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule: