ci: Use multiple directories in dependabot config (#7413)

.github/dependabot.yml

@@ -1,40 +1,12 @@
 version: 2
 updates:
   - package-ecosystem: github-actions
-    directory: /
-    schedule:
-      interval: weekly
-      day: monday
-      time: "04:00"
-      timezone: Etc/GMT
-    commit-message:
-      prefix: "ci: [DEPENDABOT] "
-    target-branch: develop
-
-  - package-ecosystem: github-actions
-    directory: .github/actions/build-deps/
-    schedule:
-      interval: weekly
-      day: monday
-      time: "04:00"
-      timezone: Etc/GMT
-    commit-message:
-      prefix: "ci: [DEPENDABOT] "
-    target-branch: develop
-
-  - package-ecosystem: github-actions
-    directory: .github/actions/generate-version/
-    schedule:
-      interval: weekly
-      day: monday
-      time: "04:00"
-      timezone: Etc/GMT
-    commit-message:
-      prefix: "ci: [DEPENDABOT] "
-    target-branch: develop
-
-  - package-ecosystem: github-actions
-    directory: .github/actions/setup-conan/
+    directories:
+      - /
+      - .github/actions/build-deps/
+      - .github/actions/generate-version/
+      - .github/actions/set-compiler-env/
+      - .github/actions/setup-conan/
     schedule:
       interval: weekly
       day: monday