update news (#417)

Author: pdeffebach

NEWS.md

@@ -1,4 +1,7 @@
-# DataFramesMeta v0.15.4 Release Notes
+# DataFramesMeta v0.15.6 Release Notes
+* Update to PrettyTables.jl v3 ([#415](https://github.com/JuliaData/DataFramesMeta.jl/pull/415#event-20653251214))
+
+# DataFramesMeta v0.15.5 Release Notes
 * Update Chain.jl compat ([#410](https://github.com/JuliaData/DataFramesMeta.jl/pull/410))
 * Update docs and docs infrastructure ([#409](https://github.com/JuliaData/DataFramesMeta.jl/pull/410))
 

Project.toml

@@ -1,6 +1,6 @@
 name = "DataFramesMeta"
 uuid = "1313f7d8-7da2-5740-9ea0-a2ca25f37964"
-version = "0.15.5"
+version = "0.15.6"
 
 [deps]
 Chain = "8be319e6-bccf-4806-a6f7-6fae938471bc"