docs: fix incorrect RequestContext serialization method

[Ryrahul]

Description

Update documentation for RequestContext serialization to correctly use ctx.serialize() instead of RequestContext.serialize(ctx). This change resolves an issue where the documentation incorrectly referenced a static method that does not exist, leading to confusion.

Breaking changes

N/A

Screenshots

N/A

Checklist

📌 Always:

• I have set a clear title
• My PR is small and contains a single feature
• I have checked my own PR

👍 Most of the time:

• I have added or updated test cases
• I have updated the README if needed

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Name	Status	Preview	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	Feb 13, 2025 3:59pm

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud