build: update escaping in coverage report output

---
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/scripts/run_tests_coverage

@@ -108,7 +108,7 @@ compare_cov() {
 	new_cov_value="$2"
 
 	if [ "$old_cov_value" == 0 ]; then
-		awk "BEGIN {printf \"\$\\\\\\\\color{green}+%.2f\\\\\\\\%%\$\n\", $new_cov_value*100}"
+		awk "BEGIN {printf \"\$\\\\\\\\\\\\\\\\color{green}+%.2f\\\\\\\\\\\\\\\\%%\$\n\", $new_cov_value*100}"
 	else
 		percentage_change=$(awk "BEGIN {printf \"%.2f\", (($new_cov_value - $old_cov_value) / $old_cov_value) * 100}")
 		color="green"
@@ -117,7 +117,7 @@ compare_cov() {
 			color="red"
 			sign=""
 		fi
-		awk "BEGIN {print \"\$\\\\\\\\color{$color}${sign}${percentage_change}\\\\\\\\%\$\"}"
+		awk "BEGIN {print \"\$\\\\\\\\\\\\\\\\color{$color}${sign}${percentage_change}\\\\\\\\\\\\\\\\%\$\"}"
 	fi
 }
 
@@ -159,7 +159,7 @@ main() {
 		pkg_functions_cov=${pkg_cov_values[2]}
 		pkg_lines_cov=${pkg_cov_values[3]}
 
-		pkg_cov_fractions=($(cat $coverage_path | grep "fraction" | grep -oP '\d+/\d+' | awk -F'/' '{if ($1<$2) print "$\\color{red}" $0 "$"; else print "$\\color{green}" $0 "$"}'))
+		pkg_cov_fractions=($(cat $coverage_path | grep "fraction" | grep -oP '\d+/\d+' | awk -F'/' '{if ($1<$2) print "$\\\\\\\\color{red}" $0 "$"; else print "$\\\\\\\\color{green}" $0 "$"}'))
 		pkg_statements_cov_fraction=${pkg_cov_fractions[0]}
 		pkg_branches_cov_fraction=${pkg_cov_fractions[1]}
 		pkg_functions_cov_fraction=${pkg_cov_fractions[2]}