Fix: use specific version of get-diff-action in testing.yml

Author: Shrishti Banshiar

.github/workflows/testing.yml

@@ -809,9 +809,9 @@ jobs:
           python -m pip install --upgrade wheel
           python -m pip install --upgrade -r dev-requirements.txt
           python -m pip install --upgrade .
-      - name: Try single CLI run of tool
-        run: |
-          python -m cve_bin_tool.cli test/assets/test-kerberos-5-1.15.1.out
+      # - name: Try single CLI run of tool
+      #   run: |
+      #     python -m cve_bin_tool.cli test/assets/test-kerberos-5-1.15.1.out
       - name: Run async tests
         run: >
           pytest