Update gatsby-build.yml

Author: poi1649

.github/workflows/gatsby-build.yml

@@ -23,7 +23,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: enriikke/gatsby-gh-pages-action@v2
         with:
           access-token: ${{ secrets.FOR_JAVABLE }}