Bump to v2.1.0-rc.1 (#735)

### Changes included in this PR 

Bumps versions and changelog for upcoming 2.1.0-rc.1 release

Author: mdwcrft

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Change log
 
+## 2.1.0-rc.1 (2025-07-02)
+* [#701](https://github.com/mobilityhouse/ocpp/pull/701) Bump jinja2 from 3.1.4 to 3.1.5 by @dependabot
+* [#703](https://github.com/mobilityhouse/ocpp/pull/703) chore(deps): apply minor and patch updates by @jerome-benoit
+* [#710](https://github.com/mobilityhouse/ocpp/pull/710) Updating examples by @a-alak
+* [#711](https://github.com/mobilityhouse/ocpp/pull/711) bugfix: Update status field for UpdateFirmware in OCPI 2.2.1 call_result by @a-alak
+* [#725](https://github.com/mobilityhouse/ocpp/pull/725) docs: Revise README for clarity and keep minimal data by @jainmohit2001
+* [#726](https://github.com/mobilityhouse/ocpp/pull/726) docs: Added new sphinx docs by @jainmohit2001
+* [#727](https://github.com/mobilityhouse/ocpp/pull/727) fix: Add requirements for Sphinx documentation build by @jainmohit2001
+* [#728](https://github.com/mobilityhouse/ocpp/pull/728) Feat/ocpp21 by @mlitre
+* [#734](https://github.com/mobilityhouse/ocpp/pull/734) Fix build-backend setting by @hikinggrass
+
 ## 2.0.0 (2024-12-09)
 - [#621](https://github.com/mobilityhouse/ocpp/pull/621) Bump black from 22.12.0 to 24.3.0 by @dependabot
 - [#693](https://github.com/mobilityhouse/ocpp/pull/693) ci: ensure the matching poetry version is used by @jerome-benoit

docs/source/conf.py

@@ -9,7 +9,7 @@
 project = 'ocpp'
 copyright = '2025, Mohit Jain'
 author = 'Mohit Jain'
-release = '3.0.0'
+release = '2.1.0-rc.1'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ocpp"
-version = "2.0.0"
+version = "2.1.0-rc.1"
 description = "Python package implementing the JSON version of the Open Charge Point Protocol (OCPP)."
 authors = [
 	"André Duarte <[email protected]>",