[docs] pro changelog 2.46.0- 2.46.3

[paulOsinski]

Pro Changelog for versions 2.46.0- 2.46.3. Also shrinks heading sizes for March releases for easier sidebar navigation.

[dryrunsecurity]

This pull request contains low-confidence risks related to potential tag injection during migration and possible information disclosure through SOC alert flags, which could lead to unintended data manipulation or exposure of internal security monitoring details.

💭 Unconfirmed Findings (2)

Vulnerability	Potential Tag Injection Risk
Description	Automatic tag migration could cause data loss or unexpected behavior. Strict validation prevents certain characters in tags. Risk of unintended data manipulation during migration process.

Vulnerability	Potential Information Disclosure Risk
Description	SOC Alerts flag in Universal Parser might expose sensitive security finding origins. Could reveal internal security monitoring details if not properly controlled.

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All finding details can be found in the DryRun Security Dashboard.

[mtesauro]

Approved