ci: bump tree-sitter/parser-test-action from 1.2 to 2

Bumps [tree-sitter/parser-test-action](https://github.com/tree-sitter/parser-test-action) from 1.2 to 2.
- [Release notes](https://github.com/tree-sitter/parser-test-action/releases)
- [Commits](tree-sitter/parser-test-action@v1.2...v2)

---
updated-dependencies:
- dependency-name: tree-sitter/parser-test-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -42,7 +42,7 @@ jobs:
           path: examples/neovim
           sparse-checkout: runtime/doc/
       - name: Run tests
-        uses: tree-sitter/parser-test-action@v1.2
+        uses: tree-sitter/parser-test-action@v2
         with:
           test-library: ${{runner.os == 'Linux'}}
           corpus-files: |-