fix typo

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: rekram1-node

packages/opencode/src/tool/bash.txt

@@ -19,7 +19,7 @@ Before executing the command, please follow these steps:
 Usage notes:
   - The command argument is required.
   - You can specify an optional timeout in milliseconds. If not specified, commands will timeout after 120000ms (2 minutes). Use the `timeout` parameter to control execution time.
-  - The `workdir` parameter specifies the working directory for the command. Defaults to the current working directory. Prefer setting `workdir` over using `cd` in your commands.
+  - The `dir_path` parameter specifies the working directory for the command. Defaults to the current working directory. Prefer setting `dir_path` over using `cd` in your commands.
   - It is very helpful if you write a clear, concise description of what this command does in 5-10 words.
   - If the output exceeds 30000 characters, output will be truncated before being returned to you.
   - VERY IMPORTANT: You MUST avoid using search commands like `find` and `grep`. Instead use Grep, Glob, or Task to search. You MUST avoid read tools like `cat`, `head`, `tail`, and `ls`, and use Read and List to read files.