ci: bump tree-sitter/parser-test-action from 2 to 3

Bumps [tree-sitter/parser-test-action](https://github.com/tree-sitter/parser-test-action) from 2 to 3.
- [Release notes](https://github.com/tree-sitter/parser-test-action/releases)
- [Commits](tree-sitter/parser-test-action@v2...v3)

---
updated-dependencies:
- dependency-name: tree-sitter/parser-test-action
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -29,7 +29,7 @@ jobs:
           install-lib: false
 
       - name: Run tests
-        uses: tree-sitter/parser-test-action@v2
+        uses: tree-sitter/parser-test-action@v3
 
       - name: Clone neovim runtime corpus
         uses: actions/checkout@v5