chore(ci): use pull_request.body

Author: okafke

.github/workflows/lifecycle.yml

@@ -79,19 +79,11 @@ jobs:
         with:
           filters: |
             ${{ steps.paths.outputs.filter }}
-            
-      - name: Find PR comment
-        if: github.event_name == 'pull_request'
-        uses: peter-evans/find-comment@v1
-        id: find-comment
-        with:
-          issue-number: ${{ github.event.pull_request.number }}
-          body-includes: "Automatic commit: build and run "
 
       - id: matrices # TODO: build origin matrices dynamically, consider collapsing this into a .py
         name: Construct matrices
         env:
-          PR_COMMENT_BODY: ${{ steps.find-comment.outputs.comment-body }}
+          PR_COMMENT_BODY: ${{ github.event.pull_request.body }}
         run: |
           import os
           import json