* Update gocql version to v1.16.1
1. Update gocql to v1.16.1
2. Update golang to 1.25, since new gocql version requres it
* Update golangci to 2.5.0
It is needed since 1.64.8 does not support golang 1.25.
1. Update golangci to 2.5.0
2. Migrate from golangci config v1 to v2
3. Integrate fieldaligment to golangci
4. Drop fieldaligment from Makefile
5. Address complaints
* Update golang to 1.20
* Fix workflow file to make it work on `1.20`
* Update fieldalignment to 0.24.0
* Remove depricated ioutils
ioutils was depricatd and removed, same API available at `os` and `io`
packages now.
* Refactor Makefile tools installation
Updating tools is not easy due to the bad Makefile design
Make it easier to update tools, preparing to golang and gocql update.
* Apply make fix
* Cleanup github workflow
Currently Makefile uses SCYLLA_VERSION to define docker image.
Switching to SCYLLA_IMAGE instead will help to target enterprise, nightly or custom image