Docs: Fix anchor links in Node.js API TOC (#12821)

docs/developer-guide/nodejs-api.md

@@ -7,28 +7,28 @@ While ESLint is designed to be run on the command line, it's possible to use ESL
 ## Table of Contents
 
 * [SourceCode](#sourcecode)
-    * [splitLines()](#sourcecodesplitlines)
+    * [splitLines()](#sourcecode-splitlines)
 * [Linter](#linter)
-    * [verify()](#linterverify)
-    * [verifyAndFix()](#linterverifyandfix)
-    * [defineRule()](#linterdefinerule)
-    * [defineRules()](#linterdefinerules)
-    * [getRules()](#lintergetrules)
-    * [defineParser()](#linterdefineparser)
-    * [version](#linterversion)
+    * [verify()](#linter-verify)
+    * [verifyAndFix()](#linter-verifyandfix)
+    * [defineRule()](#linter-definerule)
+    * [defineRules()](#linter-definerules)
+    * [getRules()](#linter-getrules)
+    * [defineParser()](#linter-defineparser)
+    * [version](#linter-version)
 * [linter (deprecated)](#linter-1)
 * [CLIEngine](#cliengine)
-    * [executeOnFiles()](#cliengineexecuteonfiles)
-    * [resolveFileGlobPatterns()](#cliengineresolvefileglobpatterns)
-    * [getConfigForFile()](#clienginegetconfigforfile)
-    * [executeOnText()](#cliengineexecuteontext)
-    * [addPlugin()](#cliengineaddplugin)
-    * [isPathIgnored()](#cliengineispathignored)
-    * [getFormatter()](#clienginegetformatter)
-    * [getErrorResults()](#clienginegeterrorresults)
-    * [outputFixes()](#cliengineoutputfixes)
-    * [getRules()](#clienginegetrules)
-    * [version](#cliengineversion)
+    * [executeOnFiles()](#cliengine-executeonfiles)
+    * [resolveFileGlobPatterns()](#cliengine-resolvefileglobpatterns)
+    * [getConfigForFile()](#cliengine-getconfigforfile)
+    * [executeOnText()](#cliengine-executeontext)
+    * [addPlugin()](#cliengine-addplugin)
+    * [isPathIgnored()](#cliengine-ispathignored)
+    * [getFormatter()](#cliengine-getformatter)
+    * [getErrorResults()](#cliengine-geterrorresults)
+    * [outputFixes()](#cliengine-outputfixes)
+    * [getRules()](#cliengine-getrules)
+    * [version](#cliengine-version)
 * [RuleTester](#ruletester)
     * [Customizing RuleTester](#customizing-ruletester)
 * [Deprecated APIs](#deprecated-apis)