Start eslint 9 migration

For #230339

Starts migrating to eslint 9. Everything runs but it produces a number of errors

.eslint-plugin-local/vscode-dts-vscode-in-comments.ts

@@ -0,0 +1,54 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as eslint from 'eslint';
+import type * as estree from 'estree';
+
+export = new class ApiVsCodeInComments implements eslint.Rule.RuleModule {
+
+	readonly meta: eslint.Rule.RuleMetaData = {
+		messages: {
+			comment: `Don't use the term 'vs code' in comments`
+		},
+		schema: false,
+	};
+
+	create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
+
+		const sourceCode = context.getSourceCode();
+
+		return {
+			['Program']: (_node: any) => {
+
+				for (const comment of sourceCode.getAllComments()) {
+					if (comment.type !== 'Block') {
+						continue;
+					}
+					if (!comment.range) {
+						continue;
+					}
+
+					const startIndex = comment.range[0] + '/*'.length;
+					const re = /vs code/ig;
+					let match: RegExpExecArray | null;
+					while ((match = re.exec(comment.value))) {
+						// Allow using 'VS Code' in quotes
+						if (comment.value[match.index - 1] === `'` && comment.value[match.index + match[0].length] === `'`) {
+							continue;
+						}
+
+						// Types for eslint seem incorrect
+						const start = sourceCode.getLocFromIndex(startIndex + match.index) as any as estree.Position;
+						const end = sourceCode.getLocFromIndex(startIndex + match.index + match[0].length) as any as estree.Position;
+						context.report({
+							messageId: 'comment',
+							loc: { start, end }
+						});
+					}
+				}
+			}
+		};
+	}
+};