Try a random number to have the previous commit available

Author: koppor

.github/workflows/product-map.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
-          fetch-depth: 2
+          fetch-depth: 100
 
       - name: Get changed Java files
         id: changed-files