[intenthq/infrastructure#4458] Update actions/checkout to latest

Author: James Stocker

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:  
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v1
         with:
           java-version: 8

.github/workflows/release-sonatype.yml

@@ -10,7 +10,7 @@ jobs:
   release-sonatype:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           # We need to unshallow to allow git describe work with last tag
           fetch-depth: 0