Merge branch 'md-prompt-typo' into 'master'

Fix typo in zero shot agent prompt

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138872



Merged-by: Tetiana Chupryna <tchupryna@gitlab.com>
Approved-by: Serhii Yarynovskyi <syarynovskyi@gitlab.com>
Approved-by: Tetiana Chupryna <tchupryna@gitlab.com>
Co-authored-by: Missy Davies <ms.melissadavies@gmail.com>

ee/lib/gitlab/llm/chain/agents/zero_shot/executor.rb

@@ -217,7 +217,7 @@ def prompt_options
                   You must always use the following format:
                   Question: the input question you must answer
                   Thought: you should always think about what to do
-                  Action: the action to take, should be one tool from this list or an direct answer (then use DirectAnswer as action): [%<tool_names>s]
+                  Action: the action to take, should be one tool from this list or a direct answer (then use DirectAnswer as action): [%<tool_names>s]
                   Action Input: the input to the action needs to be provided for every action that uses a tool
                   Observation: the result of the actions. If the Action is DirectAnswer never write an Observation, but remember that you're still #{AGENT_NAME}.