Update README.md

Signed-off-by: Lucille Hua <[email protected]>

Author: LucilleH

README.md

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install devbox
-        uses: jetpack-io/devbox-install-action@v0.5.0
+        uses: jetpack-io/devbox-install-action@v0.6.0
 
       - name: Run arbitrary commands
         run: devbox run -- echo "done!"
@@ -46,12 +46,12 @@ Here's an example job with all inputs:
 
 ```
 - name: Install devbox
-  uses: jetpack-io/devbox-install-action@v0.5.0
+  uses: jetpack-io/devbox-install-action@v0.6.0
   with:
     project-path: 'path-to-folder'
     enable-cache: 'true'
     refresh-cli: 'false'
-    devbox-version: 0.5.5
+    devbox-version: 0.5.11
     disable-nix-access-token: 'false'
     sha256-sum: b6f7e24839de004ef2cad312f05865f77a73b1e0b1757e0f4d39a5911adabd50
 ```