Update README.md

Use latest standard actions in readme

Author: tpluscode

README.md

@@ -84,7 +84,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - uses: jsmrcaga/action-netlify-deploy@master
         with:
           NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
@@ -108,7 +108,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - uses: jsmrcaga/[email protected]
         with:
           NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
@@ -138,7 +138,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
 
       # Sets the branch name as environment variable
       - uses: nelonoel/[email protected]