Release v1.9.0

Adds support for copying non-image OCI artifacts, and for
creating and enforcing sigstore signatures.

Shell autocompletions are now auto-generated, adding support
for zsh, fish and PowerShell.

Now requires Go 1.17.

- Bump github.com/docker/docker
- Config files live in /usr/local/etc on FreeBSD
- Avoid hard-coding the location of bash
- Bump github.com/containers/storage from 1.40.2 to 1.41.0
- Bump github.com/docker/docker
- add completion command to generate shell completion scripts
- Remove cgo_pthread_ordering_workaround.go
- Update c/image
- Stop calling gpgme-config
- shell completion: add Makefile target
- shell completion: add install instructions docs
- shell completion: add completion for transports names
- [CI:DOCS] Pin actions to a full length commit SHA
- Updated skopeo logo with new artwork
- Update to gopkg.in/yaml.v3 v3.0.0
- fix make completions for all POSIX shells
- Update to github.com/opencontainers/runc >= 1.1.2
- Cirrus: use Ubuntu 22.04 LTS
- Bump github.com/containers/ocicrypt from 1.1.4 to 1.1.5
- Bump github.com/stretchr/testify from 1.7.1 to 1.7.2
- Bump github.com/docker/docker
- Update go.mod to Go 1.17
- Use testing.T.Setenv instead of os.Setenv in tests
- Change a repo used for sync tests
- Use an updated CI image
- Update for docker/distribution CLI change
- Enable schema1 support on the test registries
- CoPR: Autobuild rpm on rhcontainerbot/podman-next
- [CI:DOCS] Makefile: include cautionary note for rpm target
- [CI:DOCS] skopeo.spec.rpkg: Fix syntax highlighting
- Bump github.com/spf13/cobra from 1.4.0 to 1.5.0
- Bump github.com/stretchr/testify from 1.7.2 to 1.7.4
- Bump github.com/stretchr/testify from 1.7.4 to 1.7.5
- Cirrus: Migrate multiarch build off github actions
- Update & fix skopeo multiarch image Containerfiles
- Use bytes.ReplaceAll instead of bytes.Replace(..., -1)
- Update IRC information
- Bump github.com/stretchr/testify from 1.7.5 to 1.8.0
- Introduce noteCloseFailure, use it for reporting of cleanup errors
- Modify error messages on failures to close
- Remove uses of pkg/errors
- Use errors.As() instead of direct type checks
- Vendor unreleased c/image with OCI artifact support
- Revert "Change a repo used for sync tests"
- Vendor in c/image with sigstore support
- Add --sign-by-sigstore-private-key to (skopeo copy) and (skopeo sync)
- Update for the renames of sigstore to lookaside

Signed-off-by: Miloslav Trmač <mitr@redhat.com>

version/version.go

@@ -1,4 +1,4 @@
 package version
 
 // Version is the version of the build.
-const Version = "1.8.1-dev"
+const Version = "1.9.0"