chore(deps): update actions/cache action to v3 (#274)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Cache sbt
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/.sbt