dont use version for examples, stick to master (#67)

* dont use version for examples, stick to master
* add note about it being important to use stable release in README.md

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

README.md

@@ -22,13 +22,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: pull-request-action
-        uses: vsoch/pull-request-action@1.0.6
+        uses: vsoch/pull-request-action@master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH_PREFIX: "update/"
           PULL_REQUEST_BRANCH: "master"
 ```
 
+**Important**: Make sure to use a stable [release](https://github.com/vsoch/pull-request-action/releases) instead of a branch for your workflow.
+
+
 ## Environment Variable Inputs
 
 Unlike standard actions, this action just uses variables from the environment.
@@ -114,7 +117,7 @@ jobs:
             PR_BRANCH_FROM=release-v$(cat VERSION)
             export "PULL_REQUEST_FROM_BRANCH=${PR_BRANCH_FROM}" >> $GITHUB_ENV
       - name: pull-request-action
-        uses: vsoch/pull-request-action@1.0.6
+        uses: vsoch/pull-request-action@master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PULL_REQUEST_BRANCH: "master"