ci: update global workflows (#40)

ci: update global workflows

Author: asyncapi-bot

.github/workflows/welcome-first-time-contrib.yml

@@ -19,10 +19,12 @@ jobs:
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         issue-message: |
-          Welcome to AsyncAPI. Thanks a lot for reporting your first issue.
+          Welcome to AsyncAPI. Thanks a lot for reporting your first issue. Please check out our [contributors guide](https://github.com/asyncapi/.github/blob/master/CONTRIBUTING.md) and the instructions about a [basic recommended setup](https://github.com/asyncapi/.github/blob/master/git-workflow.md) useful for opening a pull request.
 
           Keep in mind there are also other channels you can use to interact with AsyncAPI community. For more details check out [this issue](https://github.com/asyncapi/asyncapi/issues/115).
+
+
         pr-message: |
-          Welcome to AsyncAPI. Thanks a lot for creating your first pull request.
+          Welcome to AsyncAPI. Thanks a lot for creating your first pull request. Please check out our [contributors guide](https://github.com/asyncapi/.github/blob/master/CONTRIBUTING.md) and the instructions about a [basic recommended setup](https://github.com/asyncapi/.github/blob/master/git-workflow.md) useful for opening a pull request.
 
           Keep in mind there are also other channels you can use to interact with AsyncAPI community. For more details check out [this issue](https://github.com/asyncapi/asyncapi/issues/115).