fix dependabot config

.github/dependabot.yml

@@ -2,6 +2,13 @@
 # https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
 
 version: 2
+registries:
+  github-flatmap:
+    type: maven-repository
+    url: https://maven.pkg.github.com/onthegomap
+    # workaround for github maven packages not supporting anonymous access (https://github.community/t/download-from-github-package-registry-without-authentication/14407/111)
+    username: 'flatmapbot'
+    password: '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'
 updates:
   - package-ecosystem: maven
     directory: "/"
@@ -26,12 +33,7 @@ updates:
     ignore:
       - dependency-name: "com.onthegomap.flatmap:*"
     registries:
-      github-flatmap:
-        type: maven-repository
-        url: https://maven.pkg.github.com/onthegomap
-        # workaround for github maven packages not supporting anonymous access (https://github.community/t/download-from-github-package-registry-without-authentication/14407/111)
-        username: 'flatmapbot'
-        password: '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'
+      - maven-github
   - package-ecosystem: github-actions
     directory: "/"
     open-pull-requests-limit: 1