Move CI to GitHub Actions #16

Job	Run time
Validation	4s
Ruby linter (RuboCop)	6s
Node.js 20 - Build	40s
Node.js 22 - Build	39s
Node.js 18 - Build	40s
Integration tests (Express + Redis)	3m 27s
Integration tests (Express + Knex.js)	2m 24s
Git linter (Lintje)	5s
Integration tests (Koa + MySQL)	3m 11s
JavaScript linter (Prettier)	47s
Integration tests (Koa + Mongo)	2m 41s
Integration tests (Express + Mongoose)	2m 42s
Integration tests (Express + Postgres)	2m 19s
Integration tests (Express + Apollo)	2m 11s
Integration tests (Express + Yoga)	2m 1s
Integration tests (Express + Prisma + Postgres)	2m 29s
Integration tests (Express + Prisma + Mongo)	3m 7s
Integration tests (Next.js)	2m 5s
Integration tests (Nest.js)	2m 18s
Integration tests (Fastify)	2m 13s
Node.js 22 - Tests	57s
Node.js 22 - Extra test - diagnose	2m 39s
Node.js 18 - Extra test - diagnose	2m 48s
Node.js 18 - Tests	59s
Node.js 20 - Extra test - diagnose	2m 52s
Node.js 20 - Tests	1m 29s
Node.js 22 - Clean up	5s
Node.js 18 - Clean up	3s
Node.js 20 - Clean up	4s
	48m 5s

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