Creating a label workflow

id is part of step

matching changeset

syntax error

zero index

output

unfurl

log match

multiline

match[1]

match[0]

unfurl

match 0 1

remove log

.changeset/twelve-cameras-drive.md

@@ -0,0 +1,5 @@
+---
+'@primer/css': patch
+---
+
+Label workflow

.github/workflows/labeler.yml

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+name: Labeler
+on:
+  pull_request:
+    types: [opened, synchronize, edited]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v3
+        id: version-result
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          result-encoding: string
+          script: |
+            const diff_url = context.payload.pull_request.diff_url
+            const result = await github.request(diff_url)
+            const match = [...result.data.matchAll(/^\+'@primer\/css':\s(patch|minor|major)/m)]
+            if (match) {
+              return match[0][1]
+            }