Update mobsf.yml

Author: johnjeffers

.github/workflows/mobsf.yml

@@ -37,7 +37,7 @@ jobs:
 
       # Sets up the reviewdog cli
       - name: Setup reviewdog
-        uses: reviewdog/action-setup@v1.3.0
+        uses: reviewdog/action-setup@3f401fe1d58fe77e10d665ab713057375e39b887
 
       - name: Show reviewdog version
         run: reviewdog -version