Fix changelog heading levels and add missed PR for v2.2.0

Author: consideRatio

CHANGELOG.md

@@ -1,23 +1,30 @@
-# 2.2.0 - 2023-06-12
+# Changelog
+
+## 2.2
+
+### 2.2.0 - 2023-06-12
 
 ([full changelog](https://github.com/jupyterhub/jupyter-rsession-proxy/compare/v2.1.0...8a87f3fbb21015927cfb30aec63af791fb0a19bc))
 
-## Merged PRs
+#### Merged PRs
 
+- Prepare 2.2.0 release. [#141](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/141) ([@ryanlovett](https://github.com/ryanlovett))
 - add float conversion for timeout [#137](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/137) ([@matuskosut](https://github.com/matuskosut))
 - Fix netloc when rstudio-server inserts port. [#134](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/134) ([@ryanlovett](https://github.com/ryanlovett))
 
-## Contributors to this release
+#### Contributors to this release
 
 ([GitHub contributors page for this release](https://github.com/jupyterhub/jupyter-rsession-proxy/graphs/contributors?from=2022-09-07&to=2023-06-12&type=c))
 
 [@matuskosut](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Amatuskosut+updated%3A2022-09-07..2023-06-12&type=Issues) | [@ryanlovett](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Aryanlovett+updated%3A2022-09-07..2023-06-12&type=Issues) | [@welcome](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Awelcome+updated%3A2022-09-07..2023-06-12&type=Issues)
 
-# 2.1.0 - 2022-09-07
+## 2.1
+
+### 2.1.0 - 2022-09-07
 
 ([full changelog](https://github.com/jupyterhub/jupyter-rsession-proxy/compare/v2.0...v2.1.0))
 
-## Merged PRs
+#### Merged PRs
 
 - use NB_USER rather than getpass.getuser() [#132](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/132) ([@vivian-rook](https://github.com/vivian-rook))
 - add 10s default timeout and environment varariable [#128](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/128) ([@matuskosut](https://github.com/matuskosut))
@@ -27,13 +34,15 @@
 - Add CHANGELOG.md. [#112](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/112) ([@ryanlovett](https://github.com/ryanlovett))
 - Add conda install instructions [#68](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/68) ([@xhochy](https://github.com/xhochy))
 
-## Contributors to this release
+#### Contributors to this release
 
 ([GitHub contributors page for this release](https://github.com/jupyterhub/jupyter-rsession-proxy/graphs/contributors?from=2021-12-01&to=2022-09-07&type=c))
 
 [@ccoulombe](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Accoulombe+updated%3A2021-12-01..2022-09-07&type=Issues) | [@guimou](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Aguimou+updated%3A2021-12-01..2022-09-07&type=Issues) | [@lucianolacurcia](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Alucianolacurcia+updated%3A2021-12-01..2022-09-07&type=Issues) | [@mathematicalmichael](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Amathematicalmichael+updated%3A2021-12-01..2022-09-07&type=Issues) | [@matuskosut](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Amatuskosut+updated%3A2021-12-01..2022-09-07&type=Issues) | [@moschlar](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Amoschlar+updated%3A2021-12-01..2022-09-07&type=Issues) | [@riazarbi](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Ariazarbi+updated%3A2021-12-01..2022-09-07&type=Issues) | [@ryanlovett](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Aryanlovett+updated%3A2021-12-01..2022-09-07&type=Issues) | [@vivian-rook](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Avivian-rook+updated%3A2021-12-01..2022-09-07&type=Issues) | [@welcome](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Awelcome+updated%3A2021-12-01..2022-09-07&type=Issues) | [@xhochy](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Axhochy+updated%3A2021-12-01..2022-09-07&type=Issues) | [@yuvipanda](https://github.com/search?q=repo%3Ajupyterhub%2Fjupyter-rsession-proxy+involves%3Ayuvipanda+updated%3A2021-12-01..2022-09-07&type=Issues)
 
-# 2.0 - 2021-12-01
+## 2.0
+
+### 2.0 - 2021-12-01
 
 #### BREAKING CHANGES
 
@@ -47,13 +56,13 @@
 
 * Bump jupyter-server-proxy from 3.1.0 to 3.2.0.
 
-## Merged PRs
+#### Merged PRs
 
 * Rewrite /auth-sign-in redirect. [#110](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/110) ([@ryanlovett](https://github.com/ryanlovett))
 * Bump to v1.4. [#105](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/105) ([@ryanlovett](https://github.com/ryanlovett))
 * Use tmp file for secure cookie [#98](https://github.com/jupyterhub/jupyter-rsession-proxy/pull/98) ([@danielfrg](https://github.com/danielfrg))
 
-## Contributors to this release
+#### Contributors to this release
 
 ([GitHub contributors page for this release](https://github.com/jupyterhub/jupyter-rsession-proxy/graphs/contributors?from=2021-07-03&to=2021-11-30&type=c))