fix: include plugin meta information with snapshot processor for ES…

…Lint v9 (#1484)

src/processors/snapshot-processor.ts

@@ -1,8 +1,13 @@
 // https://eslint.org/docs/developer-guide/working-with-plugins#processors-in-plugins
 // https://github.com/typescript-eslint/typescript-eslint/issues/808
+import {
+  name as packageName,
+  version as packageVersion,
+} from '../../package.json';
 
 type PostprocessMessage = { ruleId: string };
 
+export const meta = { name: packageName, version: packageVersion };
 export const preprocess = (source: string): string[] => [source];
 export const postprocess = (messages: PostprocessMessage[][]) =>
   // snapshot files should only be linted with snapshot specific rules