ci: fix go 1.25 version

compress: fix tests

Upgrade dependencies

fsutil: extend contentTypeByExtension

errors: minor consistency change

Update golangci-lint

Update contributors list

fsutil: detect SVG MIME type

errors: return nil if reason is empty slice

CI: upgrade to go 1.26

Update dependencies

validation: fix missing data in v.Context given to RequiredIf when checking field absence

CI: upgrade checkout action

CI: upgrade actions

Lint: skip package name collision with go std