Update dependabot.yml

Signed-off-by: Ryan Baxter <ryan.baxter@broadcom.com>

.github/dependabot.yml

@@ -25,17 +25,12 @@ updates:
     directory: /
     schedule:
       interval: daily
+    target-branch: main
     ignore:
       # IDE specific dependency
       - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
       # JRuby updates are causing docs generation to fail
-      - dependency-name: "org.jruby:jruby-complete"    
-  - package-ecosystem: maven
-    directory: /
-    schedule:
-      interval: daily
-    target-branch: main
-    ignore:
+      - dependency-name: "org.jruby:jruby-complete"  
       # only upgrade by minor or patch
       - dependency-name: "*"
         update-types:
@@ -46,7 +41,10 @@ updates:
       interval: daily
     target-branch: 4.1.x
     ignore:
-      # only upgrade by minor or patch
+      # IDE specific dependency
+      - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
+      # JRuby updates are causing docs generation to fail
+      - dependency-name: "org.jruby:jruby-complete"  
       - dependency-name: "*"
         update-types:
           - version-update:semver-major
@@ -57,6 +55,10 @@ updates:
       interval: daily
     target-branch: 4.2.x
     ignore:
+      # IDE specific dependency
+      - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
+      # JRuby updates are causing docs generation to fail
+      - dependency-name: "org.jruby:jruby-complete"  
       # only upgrade by minor or patch
       - dependency-name: "*"
         update-types: