chore: prepare for 1.6.1 (#1044)

* chore: prepare for 1.6.1

Signed-off-by: Henry Schreiner <[email protected]>

* style: pre-commit fixes

* Update changelog.md

---------

Signed-off-by: Henry Schreiner <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: henryiii

docs/changelog.md

@@ -2,6 +2,32 @@
 
 ## Version 1.6
 
+### Version 1.6.1
+
+This release fixes several issues with serialization as it's being prepared
+in Hist/uhi.
+
+## Features
+
+- Support `__dict__` on histogram like axes [#1041][]
+- Allow library to be specified in `writer_info` removal [#1042][]
+
+#### Bug fixes
+
+- Avoid mutating lists given in indexing [#1047][]
+- Histogram metadata not being serialized correctly [#1038][]
+- Unset classic metadata shouldn't show up in serialization [#1039][]
+- Set dict correctly when unserializing [#1040][]
+- Serialization was broken for N>1D complex storage histograms [#1043][]
+
+[#1038]: https://github.com/scikit-hep/boost-histogram/pull/1038
+[#1039]: https://github.com/scikit-hep/boost-histogram/pull/1039
+[#1040]: https://github.com/scikit-hep/boost-histogram/pull/1040
+[#1041]: https://github.com/scikit-hep/boost-histogram/pull/1041
+[#1042]: https://github.com/scikit-hep/boost-histogram/pull/1042
+[#1043]: https://github.com/scikit-hep/boost-histogram/pull/1043
+[#1047]: https://github.com/scikit-hep/boost-histogram/pull/1047
+
 ### Version 1.6.0
 
 This release adds support for UHI serialization for use with the `uhi` library,
@@ -43,7 +69,8 @@ This release drops support for Python 3.8, and adds Python 3.14(t), iOS, Windows
 [#999]: https://github.com/scikit-hep/boost-histogram/pull/999
 [#1000]: https://github.com/scikit-hep/boost-histogram/pull/1000
 [#1001]: https://github.com/scikit-hep/boost-histogram/pull/1001
-[#1002]: https://github.com/scikit-hep/boost-histogram/pull/1002
+
+:[#1002]: https://github.com/scikit-hep/boost-histogram/pull/1002
 [#1009]: https://github.com/scikit-hep/boost-histogram/pull/1009
 [#1010]: https://github.com/scikit-hep/boost-histogram/pull/1010
 [#1011]: https://github.com/scikit-hep/boost-histogram/pull/1011