Update dependabot npm exclude-paths pattern (#6939)

* Initial plan

* Update dependabot config: change exclude-paths pattern

Co-authored-by: danieljurek <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: danieljurek <[email protected]>

Author: Copilot

.github/dependabot.yml

@@ -10,4 +10,4 @@ updates:
     schedule:
       interval: weekly
     exclude-paths:
-      - "eng/common/**"
+      - "eng/common"