v4.15.6

🖌 Updated content

• [Strapi Cloud] GitLab as new git provider + new signup page (#1942) @meganelacheny

🧹 Chore, fixes, typos, and other improvements

• [Dev Docs] Fix TypeScript code example in controllers documentation (#1937) @far4599
• [Dev Docs] Fix start file TypeScript example in pm2 documentation (#1944) @derrickmehaffy

Thanks a lot for your contributions! 🥰🚀