Fix file path quoting in Deno test task configuration (#39134)

mgabor created 

Closes https://github.com/zed-extensions/deno/issues/14

Release Notes:

- N/A

Change summary

docs/src/languages/deno.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/languages/deno.md 🔗 

@@ -114,7 +114,7 @@ To run deno tasks like tests from the ui, add this to `.zed/tasks.json`
 [
   {
     "label": "deno test",
-    "command": "deno test -A --filter '/^$ZED_CUSTOM_DENO_TEST_NAME$/' $ZED_FILE",
+    "command": "deno test -A --filter '/^$ZED_CUSTOM_DENO_TEST_NAME$/' '$ZED_FILE'",
     "tags": ["js-test"]
   }
 ]