Merge #464: Bump version to 0.23.2

141f2d1 Bump version to 0.23.2 (Artem Vorotnikov)

Pull request description:

ACKs for top commit:
  apoelstra:
    ACK 141f2d1

Tree-SHA512: 931b4ad992f7f00640edae08fcb6ba7bacccf088f54adab7820207dd6d980788922b0596c45ef30e4b949a156f9e67b48cb20f79b033fda31dbde3c857d3bfd6

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "secp256k1"
-version = "0.23.1"
+version = "0.23.2"
 authors = [ "Dawid Ciężarkiewicz <dpc@ucore.info>",
             "Andrew Poelstra <apoelstra@wpsoftware.net>" ]
 license = "CC0-1.0"