Tracking: license manager and feature tiers

[BugenZhao]

Design doc: https://www.notion.so/risingwave-labs/RFC-Paid-Feature-Framework-9122246b12b64642a3ae9034056ab012

• feat: introduce license manager and feature tiers #17396
• A utility for generating and managing license keys (feat: introduce license manager and feature tiers #17396 (comment))
• better way to differentiate development and production builds #17465
• feat(license): add limit for total cpu cores in the cluster #18022
• feat: redact license key when displaying to users #17936
• feat: support initializing license key from env var #17906
• fix(meta): correctly persist license key system param in SQL backend #18163

[github-actions]

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