Prepare release notes for v1.5.7

Signed-off-by: Derek McGowan <[email protected]>

Author: dmcgowan

releases/v1.5.7.toml

@@ -0,0 +1,19 @@
+# commit to be tagged for new release
+commit = "HEAD"
+
+project_name = "containerd"
+github_repo = "containerd/containerd"
+match_deps = "^github.com/(containerd/[a-zA-Z0-9-]+)$"
+
+# previous release
+previous = "v1.5.6"
+
+pre_release = false
+
+preface = """\
+The seventh patch release for containerd 1.5 is a security release to fix CVE-2021-41103.
+
+### Notable Updates
+* **Fix insufficiently restricted permissions on container root and plugin directories** [GHSA-c2h3-6mxw-7mvq](https://github.com/containerd/containerd/security/advisories/GHSA-c2h3-6mxw-7mvq)
+
+See the changelog for complete list of changes"""

version/version.go

@@ -23,7 +23,7 @@ var (
 	Package = "github.com/containerd/containerd"
 
 	// Version holds the complete version number. Filled in at linking time.
-	Version = "1.5.6+unknown"
+	Version = "1.5.7+unknown"
 
 	// Revision is filled with the VCS (e.g. git) revision being used to build
 	// the program at linking time.