📝 (readme): Bump actions/checkout example to v3

gabe565 · gabe565 · commit 575dda3b1569 · 2023-04-14T13:48:02.000-05:00
diff --git a/README.md b/README.md
@@ -24,7 +24,7 @@ jobs:
   update-chart-metadata:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: gabe565/setup-helm-docs-action@v1
       - run: helm-docs
 ```
