Update dependabot.yml

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

Author: jgrandja

.github/dependabot.yml

@@ -25,7 +25,7 @@ updates:
         update-types: [ "version-update:semver-major" ]
 
   - package-ecosystem: "gradle"
-    target-branch: "3.5.x"
+    target-branch: "4.0.x"
     directory: "/"
     schedule:
       interval: "daily"
@@ -42,7 +42,7 @@ updates:
         update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
 
   - package-ecosystem: "gradle"
-    target-branch: "3.4.x"
+    target-branch: "3.5.x"
     directory: "/"
     schedule:
       interval: "daily"
@@ -67,13 +67,13 @@ updates:
       interval: weekly
     open-pull-requests-limit: 20
   - package-ecosystem: github-actions
-    target-branch: "3.5.x"
+    target-branch: "4.0.x"
     directory: "/"
     schedule:
       interval: weekly
     open-pull-requests-limit: 20
   - package-ecosystem: github-actions
-    target-branch: "3.4.x"
+    target-branch: "3.5.x"
     directory: "/"
     schedule:
       interval: weekly