vimPlugins.nvim-treesitter: prefix version with 0.0.0+rev=

This makes diffing two nixos systems less noisy,
as no longer short commits starting with numbers are counted as versions
and with letters as pname.

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

@@ -35,7 +35,7 @@ def generate_grammar(item):
 
     generated = f"""  {lang} = buildGrammar {{
     language = "{lang}";
-    version = "{rev[:7]}";
+    version = "0.0.0+rev={rev[:7]}";
     src = """
 
     generated += subprocess.check_output(["nurl", url, rev, "--indent=4"], text=True)