Fix regex escape sequence in managed-mode.md (#797)

Author: vim-zz

docs/managed-mode.md

@@ -80,15 +80,15 @@ automations:
           label: 🤖 LinearB AI
 
 is:
-  bot_author: {{ pr.author | match(list=[\"github-actions\", \"_bot_\", \"[bot]\", \"dependabot\"]) | some }}
+  bot_author: {{ pr.author | match(list=["github-actions", "_bot_", "[bot]", "dependabot"]) | some }}
   claude_author: {{ pr.author | lower | includes(regex=r/claude/) }}
   claude_co_author: {{ branch.commits.messages | match(regex=r/[Cc]o-[Aa]uthored-[Bb]y:.*[Cc]laude/) | some }}
   copilot_author: {{ pr.author | lower | includes(regex=r/copilot/) }}
   copilot_co_author: {{ branch.commits.messages | match(regex=r/[Cc]o-[Aa]uthored-[Bb]y:.*([Cc]opilot|[Gg]ithub.*[Cc]opilot)/) | some }}
   cursor_author: {{ pr.author | lower | includes(regex=r/cursor/) }}
   cursor_co_author: {{ branch.commits.messages | match(regex=r/[Cc]o-[Aa]uthored-[Bb]y:.*[Cc]ursor/) | some }}
   linearb_author: {{ pr.author | lower | includes(regex=r/^linearb/) and not (pr.author | lower | includes(regex=r/^linearbci$/)) }}
-  linearb_co_author: {{ branch.commits.messages | match(regex=r/[Cc]o-[Aa]uthored-[Bb]y:.*(gitstream-cm|linearb).*\\[bot\\]/) | some }}
+  linearb_co_author: {{ branch.commits.messages | match(regex=r/[Cc]o-[Aa]uthored-[Bb]y:.*(gitstream-cm|linearb).*\[bot\]/) | some }}
 ```
 
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