build(deps): bump eslint and @types/eslint in /server

Bumps [eslint](https://github.com/eslint/eslint) and [@types/eslint](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/eslint). These dependencies needed to be updated together.

Updates `eslint` from 7.32.0 to 8.26.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v7.32.0...v8.26.0)

Updates `@types/eslint` from 7.2.2 to 8.4.9
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/eslint)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/eslint"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

server/package.json

@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/vuejs/vetur/tree/master/server",
   "dependencies": {
-    "eslint": "^7.32.0",
+    "eslint": "^8.26.0",
     "eslint-plugin-vue": "^7.19.1",
     "prettier": "^2.4.1",
     "pug-lexer": "^5.0.1",
@@ -35,7 +35,7 @@
   "devDependencies": {
     "@prettier/plugin-pug": "^1.17.2",
     "@starptech/prettyhtml": "^0.10.0",
-    "@types/eslint": "7.2.2",
+    "@types/eslint": "8.4.9",
     "@types/eslint-scope": "^3.7.1",
     "@types/eslint-visitor-keys": "^1.0.0",
     "@types/glob": "^7.2.0",