chore(deps): update actions/checkout action to v3 (#271)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Cache sbt
       uses: actions/cache@v2
@@ -53,7 +53,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Cache sbt
         uses: actions/cache@v2