master
sftp: fix cmd shell execution of paths containing variable-expansion or newline characters
build: remove build constraint syntax for go 1.16 and older
build: fix linting issues reported by running golangci-lint with different GOOS
sftp: fix zombie SSH processes with --sftp-ssh - Fixes #8929
sftp: add --sftp-http-proxy to connect via HTTP CONNECT proxy
build: modernize Go usage