fix: grammatical error in agent launch example (by Opencode) (#1897)

packages/opencode/src/tool/task.txt

@@ -48,7 +48,7 @@ function isPrime(n) {
 Since a signficant piece of code was written and the task was completed, now use the code-reviewer agent to review the code
 </commentary>
 assistant: Now let me use the code-reviewer agent to review the code
-assistant: Uses the Task tool to launch the with the code-reviewer agent
+assistant: Uses the Task tool to launch the code-reviewer agent
 </example>
 
 <example>