Update actions/cache action to v5 (#183)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/persist-csv-database-to-cache.yml

@@ -18,7 +18,7 @@ jobs:
           cache: 'pnpm'
       - name: Install dependencies
         run: pnpm install
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         id: cache-csv-database
         with:
           path: data/persisted-to-cache/database.csv

.github/workflows/persist-sqlite-database-to-cache.yml

@@ -22,7 +22,7 @@ jobs:
           cache: 'pnpm'
       - name: Install dependencies
         run: pnpm install
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         id: cache-sqlite-database
         with:
           path: data/persisted-to-cache/database.db