Release 2.3.1 · NVIDIA/NVFlare

What's Changed

Cherry Pick add links to new nlp example for 2.3 branch [skip ci] by @nvkevlu in #1674
Update overview in documentation for 2.3 branch [skip ci] by @nvkevlu in #1680
Fix docs 2.3 [skip ci] by @nvkevlu in #1684
Fix 2.3 integration tests by @YuanTingHsieh in #1729
Update job path in getting started guide docs for 2.3 [skip ci] by @nvkevlu in #1732
[2.3] Add sleep time before admin api create/auto-login by @YuanTingHsieh in #1736
remove github workflow branch restriction [skip ci] by @YuanTingHsieh in #1748
Replace base exception with exception (2.3) by @YuanTingHsieh in #1757
[2.3] Remove dead link [skip ci] by @YuanTingHsieh in #1787
[2.3] Include exception type by @YuanTingHsieh in #1789
[2.3] Add exception type name in tests' error messages by @YuanTingHsieh in #1809
[2.3] Fix HIGGS links by @YuanTingHsieh in #1813
Upgrade flask to 2.2.5 to address CVE-2023-30861. by @IsaacYangSLA in #1818
Add missing cert chain verification on submitted job signatures by @IsaacYangSLA in #1820
Protect learner against unsafe jobs (#1705) by @YuanTingHsieh in #1822
Merged custom driver to branch 2.3 by @nvidianz in #1827

Full Changelog: 2.3.0...2.3.1