build: add automated issue creation for broken Markdown links

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: passed
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: Planeshifter

.github/workflows/markdown_links.yml

@@ -149,7 +149,8 @@ jobs:
 
       # Fail the workflow if the status is not "success":
       - name: 'Check status'
-        if: ${{ steps.results.outputs.status }} != 'success'
+        id: check-status
+        if: ${{ steps.results.outputs.status != 'success' }}
         run: |
           exit 1
 
@@ -161,6 +162,17 @@ jobs:
           cat "${{ env.LOG_FILE_FAILURES }}"
         timeout-minutes: 5
 
+      # Create sub-issues for individual broken links:
+      - name: 'Create sub-issues for broken links'
+        if: failure() && contains(steps.check-status.outcome, 'failure')
+        env:
+          GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
+        run: |
+          "$GITHUB_WORKSPACE/.github/workflows/scripts/create_broken_link_issues" \
+            '${{ steps.results.outputs.failures }}' \
+            "9112"
+        timeout-minutes: 30
+
       # Upload the log files:
       - name: 'Upload log files'
         # Pin action to full length commit SHA