update semver-resource blob
update vagrant-cloud-resource blob
add package for and enable vagrant cloud resource
update vagrant-cloud-resource blob
update vagrant-cloud-resource blob
update vagrant-cloud-resource blob
update vagrant-cloud-resource blob
update vagrant-cloud-resource blob
split release notes into separate files

this will make generating markdown files for individual release notes
easier
add initial docs ci
docs ci: fix version
docs ci: install scribble globally
update vagrant-cloud-resource blob
bump atc

Submodule src/github.com/concourse/atc 56a8868..33cf275:
  > only job inputs can be hidden
  > do not render hidden edges
  > job inputs and outputs can be marked as hidden
  > Revert "resources can be marked as hidden"
  > resources can be marked as hidden
bump atc

Submodule src/github.com/concourse/atc 33cf275..50c3ec2:
  > improve gateway rendering
  > dim resource names slightly
  > better validator error message formatting
bump atc

[finishes #82409670]
[finishes #81892716]

Submodule src/github.com/concourse/atc 50c3ec2..5458c59:
  > render errors with no origin in build log
  > process input/output events by resource, not name
bump atc

[finishes #82409670]

Submodule src/github.com/concourse/atc 5458c59..8daf8ae:
  > clarify inputs vs. versioned resources
  > Revert "process input/output events by resource, not name"
update vagrant-cloud-resource blob
Revert "bump atc"

breaks existing deployments

This reverts commit c70a7e18e4f399d7816ad892020f15b778d027ed.
ignore more dev tools