chore(master): release 3.9.4

[github-actions]

🤖 I have created a release beep boop

3.9.4 (2024-04-09)

Bug Fixes

• SSL: separate each certificate into an individual item #2542 (63f1055)
• security: improve supportBigNumbers and bigNumberStrings sanitization (#2572) (74abf9e)
  • Fixes a potential RCE attack vulnerability reported by Vsevolod Kokorin (Slonser) of Solidlab
• security: improve results object creation (#2574) (4a964a3)
  • Fixes a potential Prototype Pollution attack vulnerability reported by Vsevolod Kokorin (Slonser) of Solidlab
• docs: improve the contribution guidelines (#2552) (8a818ce)

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[sidorares]

LGTM, please merge it @wellwelwel unless you want to add anything else to this release

[github-actions]

🤖 Release is at https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4 🌻

[wellwelwel]

@sidorares, today marks the one-year anniversary since my first contribution where all I did was remove a single word 😂

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It would never have crossed my mind how much that would change from then on out:

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Thank you for all these opportunities 💙✨