chore: Update eslint to v9 with flat config (#1412)

* chore: Update eslint to v9 with flat config

* disable eslint for that whole example file. v1 not worth it imo

* update ts-eslint

* lock versions

* ci: update pnpm

.github/workflows/lint-javascript.yml

@@ -42,10 +42,10 @@ jobs:
             ${{ runner.os }}-
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
       - uses: pnpm/action-setup@v2
         with:
-          version: 7.x.x
+          version: 9.x.x
           run_install: true
       - name: eslint
         run: pnpm lint
@@ -62,10 +62,10 @@ jobs:
             ${{ runner.os }}-
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
       - uses: pnpm/action-setup@v2
         with:
-          version: 7.x.x
+          version: 9.x.x
           run_install: true
       - name: prettier check
         run: pnpm format-check