What's Changed
* Add SSL cert issues to the readme by Cynocracy in https://github.com/qiskit-community/qiskit-ionq/pull/133
* Update API access instructions by splch in https://github.com/qiskit-community/qiskit-ionq/pull/134
* Allow for additional metadata to be specified by splch in https://github.com/qiskit-community/qiskit-ionq/pull/135
* Use ionq api token & key by splch in https://github.com/qiskit-community/qiskit-ionq/pull/136
* fix user-agent formatting by splch in https://github.com/qiskit-community/qiskit-ionq/pull/137
* QTPF-4559 add zz to native gateset by splch in https://github.com/qiskit-community/qiskit-ionq/pull/141
* Fixup serialization of ZZ gate by Cynocracy in https://github.com/qiskit-community/qiskit-ionq/pull/142
* raise IonQRetriableError when get fails by splch in https://github.com/qiskit-community/qiskit-ionq/pull/145
* Add docs CI artifact by arnaucasau in https://github.com/qiskit-community/qiskit-ionq/pull/143
* Update Sphinx theme by arnaucasau in https://github.com/qiskit-community/qiskit-ionq/pull/140
* remove deploy documentation to /documentation by 1ucian0 in https://github.com/qiskit-community/qiskit-ionq/pull/139
* Fixup unitary for ZZ (code & comment), MS (comment only) by Cynocracy in https://github.com/qiskit-community/qiskit-ionq/pull/144
* don't raise exception from non-decorated method by splch in https://github.com/qiskit-community/qiskit-ionq/pull/146
* map empty dict when none by splch in https://github.com/qiskit-community/qiskit-ionq/pull/147
* update version by splch in https://github.com/qiskit-community/qiskit-ionq/pull/148
New Contributors
* arnaucasau made their first contribution in https://github.com/qiskit-community/qiskit-ionq/pull/143
**Full Changelog**: https://github.com/qiskit-community/qiskit-ionq/compare/v0.4.1...v0.4.2