Update the cache action

Signed-off-by: Gavin Didrichsen <[email protected]>

Author: gavindidrichsen

.github/workflows/unit.yaml

@@ -38,7 +38,7 @@ jobs:
         run: bundle update
       - name: Cache modules
         id: modules
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: modules
           key: ${{ runner.os }}-modules-${{ hashFiles('**/Puppetfile') }}