build: fix PR coverage comment formatting

---
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_pkg_readmes
    status: na
  - task: lint_markdown_docs
    status: na
  - 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: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: anandkaranubc

.github/workflows/publish_coverage_pr.yml

@@ -88,7 +88,7 @@ jobs:
             const fs = require( 'fs' );
 
             const prNumber = parseInt( process.env.PR_NUMBER, 10 );
-            const report = fs.readFileSync( 'pr-metadata/report', 'utf8' );
+            const report = fs.readFileSync( 'pr-metadata/report', 'utf8' ).replace( /\\n/g, '\n' );
 
             const { data: comments } = await github.rest.issues.listComments({
               'issue_number': prNumber,