Merge pull request #502 from NHSDigital/apm-5908/cache-fix-update

cache

Author: srikanththummala470

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
               run: pip install poetry
 
             - name: Cache poetry packages
-              uses: actions/cache@v1
+              uses: actions/cache@v4
               id: cache
               with:
                 path: ~/.venv