Merge pull request #21 from rollbar/bxsx/update-readme

Update tag version for the new release `2.1.1`

Author: bxsx

README.md

@@ -42,7 +42,7 @@ Optionally set `ROLLBAR_USERNAME` environment variable, usernames can be found a
 ```yaml
 steps:
   - name: Notify deploy to Rollbar
-    uses: rollbar/github-deploy-action@1.1.0
+    uses: rollbar/github-deploy-action@2.1.1
     id: rollbar_deploy
     with:
       environment: 'production'
@@ -58,7 +58,7 @@ steps:
 ```yaml
 steps:
   - name: Notify start deploy to Rollbar
-    uses: rollbar/github-deploy-action@1.1.0
+    uses: rollbar/github-deploy-action@2.1.1
     id: rollbar_pre_deploy
     with:
       environment: 'production'
@@ -72,7 +72,7 @@ steps:
 
 steps:
   - name: Notify finish deploy to Rollbar
-    uses: rollbar/github-deploy-action@1.1.0
+    uses: rollbar/github-deploy-action@2.1.1
     id: rollbar_post_deploy
     with:
       environment: 'production'
@@ -111,7 +111,7 @@ jobs:
       with:
         name: bundle2.js.map
     - name: Rollbar deploy
-      uses: rollbar/github-deploy-action@1.1.0
+      uses: rollbar/github-deploy-action@2.1.1
       with:
         environment: production
         version: ${{ github.sha }}