Update greetings workflow

Author: thespad

.github/workflows/greetings.yml

@@ -1,12 +1,22 @@
 name: Greetings
 
-on: [pull_request_target, issues]
+on:
+  pull_request:
+    types:
+      - opened
+  issues:
+    types:
+      - opened
+
+permissions:
+  issues: write
+  pull-requests: write
 
 jobs:
   greeting:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/first-interaction@v3
+    - uses: actions/first-interaction@v3.1.0
       with:
         issue-message: 'Thanks for opening your first issue here! Be sure to follow the [bug](https://github.com/linuxserver-labs/docker-monit/blob/master/.github/ISSUE_TEMPLATE/issue.bug.md) or [feature](https://github.com/linuxserver-labs/docker-monit/blob/master/.github/ISSUE_TEMPLATE/issue.feature.md) issue templates!'
         pr-message: 'Thanks for opening this pull request! Be sure to follow the [pull request template](https://github.com/linuxserver-labs/docker-monit/blob/master/.github/PULL_REQUEST_TEMPLATE.md)!'