chore: spelling in git committer file (#1869)

.opencode/agent/git-committer.md

@@ -1,5 +1,5 @@
 ---
-description: Use this agent when you are saked to commit and push code changes to a git repository.
+description: Use this agent when you are asked to commit and push code changes to a git repository.
 mode: subagent
 ---