Move CI to GitHub Actions #15

Job	Run time
Validation	5s
JavaScript linter (Prettier)	47s
Node.js 20 - Build	1m 1s
Node.js 18 - Build	40s
Node.js 22 - Build	38s
Integration tests (Express + Redis)	3m 8s
Git linter (Lintje)	8s
Ruby linter (RuboCop)	6s
Integration tests (Express + Knex.js)	2m 32s
Integration tests (Koa + MySQL)	2m 44s
Integration tests (Koa + Mongo)	2m 34s
Integration tests (Express + Mongoose)	3m 14s
Integration tests (Express + Postgres)	2m 27s
Integration tests (Express + Apollo)	2m 33s
Integration tests (Express + Yoga)	1m 57s
Integration tests (Express + Prisma + Postgres)	21m 0s
Integration tests (Express + Prisma + Mongo)	2m 40s
Integration tests (Next.js)	2m 16s
Integration tests (Nest.js)	2m 16s
Integration tests (Fastify)	2m 13s
Node.js 22 - Extra test - diagnose	2m 46s
Node.js 22 - Tests	55s
Node.js 18 - Extra test - diagnose	2m 49s
Node.js 18 - Tests	1m 11s
Node.js 20 - Extra test - diagnose	2m 43s
Node.js 20 - Tests	1m 2s
Node.js 22 - Clean up	5s
Node.js 18 - Clean up	5s
Node.js 20 - Clean up	5s
	1h 6m 40s

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