Update cheatsheets

tldr/gh-agent-task

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gh agent-task
+
+> Manage GitHub agent tasks.
+> More information: <https://cli.github.com/manual/gh_agent-task>.
+
+- List the most recent agent tasks:
+
+`gh {{[agent|agent-task]}} list`
+
+- Create a new agent task for the current repository:
+
+`gh {{[agent|agent-task]}} create "{{Improve the performance of the data processing pipeline}}"`
+
+- Create a new agent task from a file:
+
+`gh {{[agent|agent-task]}} create {{[-F|--from-file]}} {{path/to/file}}`
+
+- View details about a specific agent task:
+
+`gh {{[agent|agent-task]}} view {{session_id|pr_number|url|branch}}`
+
+- Show the log of a specific agent task:
+
+`gh {{[agent|agent-task]}} view --log {{session_id|pr_number|url|branch}}`