vimPluginsUpdater: fix nvim-tree-sitter update

Moving the update scripts to the utils directory and pointing back at
the generated location

pkgs/applications/editors/vim/plugins/utils/nvim-treesitter/update-shell.nix

@@ -1,5 +1,5 @@
 {
-  pkgs ? import ../../../../../.. { },
+  pkgs ? import ../../../../../../.. { },
 }:
 
 with pkgs;

pkgs/applications/editors/vim/plugins/utils/nvim-treesitter/update.py

@@ -3,11 +3,10 @@
 
 import json
 import logging
-import subprocess
-from concurrent.futures import ThreadPoolExecutor
 import os
+import subprocess
 import sys
-from os.path import join
+from concurrent.futures import ThreadPoolExecutor
 
 log = logging.getLogger("vim-updater")
 
@@ -61,7 +60,7 @@ def update_grammars(nvim_treesitter_dir: str):
     log.debug("Running command: %s", ' '.join(cmd))
     configs = json.loads(subprocess.check_output(cmd))
 
-    generated_file = """# generated by pkgs/applications/editors/vim/plugins/nvim-treesitter/update.py
+    generated_file = """# generated by pkgs/applications/editors/vim/plugins/utils/nvim-treesitter/update.py
 
 { buildGrammar, """
 
@@ -95,4 +94,8 @@ def update_grammars(nvim_treesitter_dir: str):
 
 if __name__ == "__main__":
     generated = update_grammars(sys.argv[1])
-    open(join(os.path.dirname(__file__), "generated.nix"), "w").write(generated)
+    output_path = os.path.join(
+        os.path.dirname(__file__),
+        "../../nvim-treesitter/generated.nix"
+    )
+    open(output_path, "w").write(generated)