release v3.0.0

 * docker client: error if registry is blocked
 * Remove pkg/sysregistries
 * Add user registry auth to kernel keyring
 * use keyring when authfile empty
 * Add API function `TryUpdatingCache`
 * Touch up transport man page
 * Add ability to install man pages
 * ci: change GOCACHE to a writeable path
 * Use the same HTTP client for contacting the bearer token server and the registry
 * *: Fix policy.json.md -> containers-policy.json.5.md references

Signed-off-by: Valentin Rothberg <[email protected]>

version/version.go

@@ -4,14 +4,14 @@ import "fmt"
 
 const (
 	// VersionMajor is for an API incompatible changes
-	VersionMajor = 2
+	VersionMajor = 3
 	// VersionMinor is for functionality in a backwards-compatible manner
 	VersionMinor = 0
 	// VersionPatch is for backwards-compatible bug fixes
-	VersionPatch = 2
+	VersionPatch = 0
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = "-dev"
+	VersionDev = ""
 )
 
 // Version is the specification version that the package types support.