docs updated requirements cache key

.github/workflows/auto_docs.yaml

@@ -23,7 +23,7 @@ jobs:
           # path: ~/.cache/pip
           path: ${{ env.pythonLocation}}
           # Look to see if there is a cache hit for the corresponding requirements file
-          key: ${{ runner.os }}_${{ env.pythonLocation}}_pip_dev_v3_3.10_${{ hashFiles('requirements_dev.txt') }}
+          key: ${{ runner.os }}_${{ env.pythonLocation}}_pip_dev_v4_3.10_${{ hashFiles('requirements_dev.txt') }}
       - name: Install dependencies
         if: steps.cache-dev-pip.outputs.cache-hit != 'true'
         run: |