Rename and use pull_request until it's in main

.github/workflows/greetings.yml

@@ -1,126 +0,0 @@
-name: Welcome
-on:
-  pull_request_target:
-    branches-ignore:
-      - 'changeset-release/main'
-      - 'dependabot/**'
-
-jobs:
-  greetings:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: 14.x
-
-      - name: Get or Create Comment
-        uses: actions/github-script@v3
-        with:
-          github-token: ${{ secrets.GPR_AUTH_TOKEN_SHARED }}
-          script: |
-            const fs = require('fs')
-            const body = await fs.readFileSync('.github/greetings_template.md', 'utf8')
-            const result = await github.issues.listComments({
-              issue_number: context.issue.number,
-              owner: context.repo.owner,
-              repo: context.repo.repo
-            });
-            const primerComments = result.data.filter(c => c.user.login == 'primer-css')
-            if (!primerComments.length) {
-              await github.issues.createComment({
-                issue_number: context.issue.number,
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                body: body.replace('{{PR_AUTHOR}}', context.payload.sender.login)
-              })
-            }
-
-  bundle-stats:
-    needs: greetings
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-        with:
-          node-version: 14
-      - run: yarn
-      - run: yarn pretest
-      - name: Reporting bundle sizes
-        uses: primer/comment-token-update@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          comment-token: 'bundle_table'
-          script: |
-            echo "### Bundle size changes since latest release"
-            echo "```"
-            script/bundle-size-report.js
-            echo "```"
-
-      - name: Reporting selector diffs
-        uses: primer/comment-token-update@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          comment-token: 'diff_report'
-          script: |
-            diff=$(script/selector-diff-report)
-            if [[ $diff ]]; then
-              echo "### Selectors added/removed"
-              echo "```diff"
-              echo $diff
-              echo "```"
-            fi
-
-  label-release:
-    name: Semantic Version Label
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/github-script@v3
-        id: version-result
-        with:
-          github-token: "${{ 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 && match[0]) {
-              return match[0][1]
-            }
-
-      - uses: actions/github-script@v3
-        env:
-          RELEASE: ${{ steps.version-result.outputs.result }}
-        with:
-          github-token: ${{secrets.GITHUB_TOKEN}}
-          script: |
-            if (process.env.RELEASE == 'undefined') { return }
-            const issue = await github.issues.get({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: context.issue.number
-            })
-            const currentLabels = issue.data.labels.map( l => l.name)
-            const newLabel = `${process.env.RELEASE} release`
-            if (!currentLabels.includes(newLabel)) {
-              const otherReleaseLabels = currentLabels.filter( l => l.endsWith(' release'))
-              if (otherReleaseLabels.length) {
-                github.issues.removeLabel({
-                  issue_number: context.issue.number,
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  name: [otherReleaseLabels]
-                })
-              }
-              github.issues.addLabels({
-                issue_number: context.issue.number,
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                labels: [newLabel]
-              })
-            }