changelog for 6.32 release (#2138)

CHANGELOG.md

@@ -1,4 +1,14 @@
 See the [releases](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases) for details on bug fixes and added features.
+
+6.32.0
+=======
+## New features:
+- Adding an AAD specific signing key issuer validator. See issue [#2134](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/issues/2134) for details.
+- Better support for WsFederation. See [PR](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/2100) for details.
+
+## Bug fixes
+- Address perf regression introduced in 6.31.0. See [PR](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/2131) for details.
+
 6.31.0
 ========
 This release contains work from the following PRs and commits: