Prepare release 0.12.2

Cargo.lock

@@ -966,7 +966,7 @@ dependencies = [
 
 [[package]]
 name = "krill"
-version = "0.12.1"
+version = "0.12.2"
 dependencies = [
  "backoff",
  "base64",

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 # Note: some of these values are also used when building Debian packages below.
 name    = "krill"
-version = "0.12.1"
+version = "0.12.2"
 edition = "2018"
 rust-version = "1.56"
 authors = [ "The NLnet Labs RPKI team <rpki-team@nlnetlabs.nl>" ]

README.md

@@ -25,6 +25,15 @@ in this [blog post](https://blog.nlnetlabs.nl/testing-the-waters-with-krill/).
 
 # Changelog
 
+## 0.12.2 'Dijkstra'
+
+This release fixes a locking issue that can affect a Krill Publication Server
+with a large number of concurrent publishers. See PR #1007.
+
+If you only use Krill as an RPKI Certificate Authority and publish elsewhere,
+e.g. in an RPKI Publication Server provided by your RIR or NIR, then there is
+no need to update to this release.
+
 ## 0.12.1 'Safety Belts'
 
 This release introduces two fixes for the Krill Publication Server. If you