MESH-2092 pin cache key to the python selected in the setup python step

Author: davidhallam4-nhs

.github/workflows/merge-develop.yml

@@ -34,7 +34,7 @@ jobs:
         with:
           path: |
             .venv
-          key: ${{ runner.os }}-v3-poetry-py3.9-${{ hashFiles('./poetry.lock') }}
+          key: ${{ runner.os }}-v3-poetry-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('./poetry.lock') }}
 
       - name: git reset
         run: git reset --hard

.github/workflows/pull-request.yml

@@ -111,7 +111,7 @@ jobs:
         with:
           path: |
             .venv
-          key: ${{ runner.os }}-v3-poetry-py3.9-${{ hashFiles('./poetry.lock') }}
+          key: ${{ runner.os }}-v3-poetry-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('./poetry.lock') }}
 
       - name: git reset
         run: git reset --hard
@@ -229,7 +229,7 @@ jobs:
         with:
           path: |
             .venv
-          key: ${{ runner.os }}-v3-poetry-py3.9-${{ hashFiles('./poetry.lock') }}
+          key: ${{ runner.os }}-v3-poetry-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('./poetry.lock') }}
 
       - name: git reset
         run: git reset --hard