Merge pull request #496 from NHSDigital/dependabot/github_actions/actions/cache-5.0.0

Bump actions/cache from 4.3.0 to 5.0.0

Author: eddalmond1

.github/workflows/regression-tests.yml

@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 0
 
       - name: Cache asdf
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830
+        uses: actions/cache@a7833574556fa59680c1b7cb190c1735db73ebf0
         with:
           path: |
             ~/.asdf