Upgrading go to 1.25.0, vips to 8.16 and changing base image to trixi…

[panperla]

Upgrade to golang 1.25.0 Upgrade golangcilint to 2.4.0 Migration of linter config Update bullseye to trixie Removed building libvips from source in favour of using version available in trixie distro (8.16) Resolved all problems rised by linter Replaced io/ioutil with io