Bump mysql2 from 3.9.8 to 3.15.1 (#1233) #482

Job	Run time
Validation	7s
Node.js 23 - Build	50s
Node.js 22 - Build	49s
JavaScript linter (Prettier)	54s
Node.js 20 - Build	43s
Ruby linter (RuboCop)	14s
Node.js 18 - Build	56s
Integration tests (Express + Knex.js)	2m 1s
Git linter (Lintje)	7s
Integration tests (Koa + Mongo)	2m 7s
Integration tests (Koa + MySQL)	2m 36s
Integration tests (Express + Redis)	2m 50s
Integration tests (Express + Mongoose)	2m 11s
Integration tests (Express + Apollo)	2m 3s
Integration tests (Express + Prisma + Postgres)	2m 3s
Integration tests (Express + Postgres)	2m 3s
Integration tests (Express + Prisma + Mongo)	2m 22s
Integration tests (Nest.js)	2m 9s
Integration tests (Fastify)	1m 51s
Integration tests (Express + Yoga)	1m 54s
Integration tests (Next.js)	1m 44s
Node.js 20 - Tests	1m 18s
Node.js 20 - Extra test - diagnose	3m 16s
Node.js 22 - Extra test - diagnose	2m 54s
Node.js 22 - Tests	1m 8s
Node.js 23 - Tests	1m 4s
Node.js 23 - Extra test - diagnose	2m 57s
Node.js 18 - Tests	1m 9s
Node.js 18 - Extra test - diagnose	2m 59s
Node.js 22 - Clean up	4s
Node.js 23 - Clean up	5s
Node.js 18 - Clean up	7s
Node.js 20 - Clean up	8s
	49m 43s

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