T319257: Upgrade composer to 2.5.1 | T360973: Upgrade composer from 2.6.4 to 2.7.x
We're currently on 2.5.1 (rCICF805d07899c46: dockerfiles: [composer-scratch] Upgrade composer to 2.5.1, upstream is now upto 2.6.6 (as of 2023-10-01; it was released 2023-09-29).
It's that time again; last update was T319257: Upgrade composer to 2.5.1.
Latest release in 2.5.x is 2.5.8 (2023-06-09).
- Upgrade the CI docker images
- Switch the first jenkins jobs over and test
- Switch all remaining jobs
- Re-build vendor
- Update any documentation
- Upgrade the developer docker images