Derive component prop meta-data from TypeScript (#6641)

Co-authored-by: primer[bot] <119360173+primer[bot]@users.noreply.github.com>

Author: adierkens

.github/workflows/ci.yml

@@ -144,6 +144,8 @@ jobs:
             ${{ runner.os }}-turbo-
       - name: Install dependencies
         run: npm ci
+      - name: Build doc-gen
+        run: npm run build --workspace @primer/doc-gen
       - name: Build storybook to generate story IDs
         run: npm run build:storybook
         working-directory: packages/react

.github/workflows/migration-status.yml

@@ -34,3 +34,18 @@ jobs:
       - name: Run migration script
         run: |
           node --experimental-strip-types script/styled-components-migration-status.mts >> $GITHUB_STEP_SUMMARY
+
+  ts-docgen:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - name: Set up Node.js
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+      - name: Install dependencies
+        run: npm ci
+      - name: Run migration script
+        run: |
+          node --experimental-strip-types script/ts-docs-status.mts >> $GITHUB_STEP_SUMMARY