go.mod: github.com/containerd/imgcrypt v1.1.1

No code changes other than an updated changelog, and updating to
the tagged v1.1.1:

diff: https://github.com/containerd/imgcrypt/compare/0bed51b9522c...v1.1.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/containerd/imgcrypt/CHANGES

@@ -0,0 +1,9 @@
+CHANGES
+
+v1.1.1:
+  - rebased on ocicrypt 1.1.1
+
+v1.1.0:
+  - rebased on ocicrypt 1.1.0
+  - added pkcs11 support; experimental
+  - added keyprovider support

vendor/modules.txt

@@ -88,7 +88,7 @@ github.com/containerd/go-cni
 # github.com/containerd/go-runc v0.0.0-20201020171139-16b287bc67d0
 ## explicit
 github.com/containerd/go-runc
-# github.com/containerd/imgcrypt v1.1.1-0.20210412181126-0bed51b9522c
+# github.com/containerd/imgcrypt v1.1.1
 ## explicit
 github.com/containerd/imgcrypt
 github.com/containerd/imgcrypt/images/encryption