Bump actions/checkout from 2.4.0 to 3

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
         scala: [2.13.7, 2.12.15]
         nodejs: [16.3.0, 14.16.0, 12.21.0]
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: olafurpg/setup-scala@v13
         with:
           java-version: [email protected]

.github/workflows/format.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: olafurpg/setup-scala@v13
       - name: Check Scalafmt/Scaladoc
         run: sbt scalafmtSbtCheck scalafmtCheck test:scalafmtCheck nodejs_v14/doc core/doc

.github/workflows/release.yml

@@ -7,7 +7,7 @@ jobs:
   publish:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - uses: olafurpg/setup-scala@v13