ci(deploy): use submodule commit hash

Author: ObserverOfTime

.github/workflows/deploy.yml

@@ -28,8 +28,12 @@ jobs:
           server-username: SONATYPE_USERNAME
           server-password: SONATYPE_TOKEN
           gpg-private-key: ${{secrets.GPG_KEY}}
+      - name: Get tree-sitter commit
+        run: printf 'TREE_SITTER_REF=%s\n' "$(git rev-parse HEAD:core)" >> "$GITHUB_ENV"
       - name: Set up tree-sitter
         uses: tree-sitter/setup-action/lib@v1
+        with:
+          tree-sitter-ref: ${{env.TREE_SITTER_REF}}
       - name: Set up tree-sitter-java
         run: |-
           git clone --depth=1 https://github.com/tree-sitter/tree-sitter-java