Remove 1.4.x from dependabot.yml

Signed-off-by: Joe Grandja <10884212+jgrandja@users.noreply.github.com>

Author: jgrandja

.github/dependabot.yml

@@ -7,22 +7,6 @@ registries:
 
 updates:
   # Gradle
-  - package-ecosystem: gradle
-    target-branch: 1.4.x
-    directory: /
-    schedule:
-      interval: daily
-      time: '03:00'
-      timezone: Etc/UTC
-    labels:
-      - 'type: dependency-upgrade'
-    registries:
-      - spring-milestones
-    ignore:
-      - dependency-name: '*'
-        update-types:
-          - version-update:semver-major
-          - version-update:semver-minor
   - package-ecosystem: gradle
     target-branch: 1.5.x
     directory: /
@@ -41,13 +25,6 @@ updates:
           - version-update:semver-minor
 
   # GitHub Actions
-  - package-ecosystem: github-actions
-    target-branch: 1.4.x
-    directory: /
-    schedule:
-      interval: weekly
-    labels:
-      - 'type: task'
   - package-ecosystem: github-actions
     target-branch: 1.5.x
     directory: /
@@ -64,13 +41,6 @@ updates:
       - 'type: task'
 
   # NPM
-  - package-ecosystem: npm
-    target-branch: 1.4.x
-    directory: /docs
-    schedule:
-      interval: weekly
-    labels:
-      - 'type: task'
   - package-ecosystem: npm
     target-branch: 1.5.x
     directory: /docs