build(deps): bump github.com/opencontainers/image-spec

Bumps [github.com/opencontainers/image-spec](https://github.com/opencontainers/image-spec) from 1.1.0-rc5 to 1.1.0-rc6.
- [Release notes](https://github.com/opencontainers/image-spec/releases)
- [Changelog](https://github.com/opencontainers/image-spec/blob/main/RELEASES.md)
- [Commits](opencontainers/image-spec@v1.1.0-rc5...v1.1.0-rc6)

---
updated-dependencies:
- dependency-name: github.com/opencontainers/image-spec
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/gorilla/mux v1.8.1
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/opencontainers/go-digest v1.0.0
-	github.com/opencontainers/image-spec v1.1.0-rc5
+	github.com/opencontainers/image-spec v1.1.0-rc6
 	github.com/peterh/liner v1.2.2
 	github.com/prometheus/client_golang v1.18.0
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0

go.sum

@@ -156,8 +156,8 @@ github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
-github.com/opencontainers/image-spec v1.1.0-rc5 h1:Ygwkfw9bpDvs+c9E34SdgGOj41dX/cbdlwvlWt0pnFI=
-github.com/opencontainers/image-spec v1.1.0-rc5/go.mod h1:X4pATf0uXsnn3g5aiGIsVnJBR4mxhKzfwmvK/B2NTm8=
+github.com/opencontainers/image-spec v1.1.0-rc6 h1:XDqvyKsJEbRtATzkgItUqBA7QHk58yxX1Ov9HERHNqU=
+github.com/opencontainers/image-spec v1.1.0-rc6/go.mod h1:W4s4sFTMaBeK1BQLXbG4AdM2szdn85PY75RI83NrTrM=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/peterh/liner v1.2.2 h1:aJ4AOodmL+JxOZZEL2u9iJf8omNRpqHc/EbrK+3mAXw=
 github.com/peterh/liner v1.2.2/go.mod h1:xFwJyiKIXJZUKItq5dGHZSTBRAuG/CpeNpWLyiNRNwI=

vendor/modules.txt

@@ -195,7 +195,7 @@ github.com/olekukonko/tablewriter
 # github.com/opencontainers/go-digest v1.0.0
 ## explicit; go 1.13
 github.com/opencontainers/go-digest
-# github.com/opencontainers/image-spec v1.1.0-rc5
+# github.com/opencontainers/image-spec v1.1.0-rc6
 ## explicit; go 1.18
 github.com/opencontainers/image-spec/specs-go
 github.com/opencontainers/image-spec/specs-go/v1