dependabot: no longer operates on 74.5.x branch

- as UAA v74 is officially no longer supported

.github/dependabot.yml

@@ -69,64 +69,3 @@ updates:
     interval: daily
     time: "11:00"
   open-pull-requests-limit: 10
-
-# Added dependabot configuration for 74.5.x branch
-- package-ecosystem: npm
-  directory: "/uaa"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/statsd"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-  ignore:
-    - dependency-name: "org.apache.tomcat:*"
-      update-types: ["version-update:semver-major"] # Stay in Tomcat 9 because it is still supported, likely until 2027 (https://endoflife.date/tomcat), and bumping to Tomcat 10 requires some major code changes
-- package-ecosystem: gradle
-  directory: "/model"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/metrics-data"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/samples/api"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/server"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10
-- package-ecosystem: gradle
-  directory: "/samples/app"
-  schedule:
-    interval: daily
-    time: "11:00"
-  target-branch: "74.5.x"
-  open-pull-requests-limit: 10