bump go dependencies

dependency update

Signed-off-by: Taylor Silva <dev@taydev.net>

Merge pull request #18 from concourse/modernize

modernize codebase a bit

missed some files when bumping lager

Signed-off-by: Taylor Silva <dev@taydev.net>

Merge pull request #13 from concourse/bump-lager

bump lager to v3

bump lager to latest without changing import path

Signed-off-by: Rui Yang <ruiya@vmware.com>

dep bumps

 - bump golang to 1.20
 - bump ginkgo to v2
 - bump lager to v3

Signed-off-by: Rui Yang <ruiya@vmware.com>

Merge pull request #12 from concourse/issue/6770

use the provided exponential backoff constructor

give up on retry if request's ctx is canceled

otherwise a timeout enforced externally results in a retry loop

also bump to backoff v4

Signed-off-by: Alex Suraci <suraci.alex@gmail.com>

Merge pull request #9 from concourse/eof-2

adding another unexpected EOF retry case