Fix badges + bump min python (#1049)

Author: esoteric-ephemera

README.md

@@ -1,7 +1,7 @@
 # The Materials Project API
 
-[![testing](https://github.com/materialsproject/api/workflows/testing/badge.svg)](https://github.com/materialsproject/api/actions?query=workflow%3Atesting)
+[![testing](https://github.com/materialsproject/api/actions/workflows/testing.yml/badge.svg?branch=main)](https://github.com/materialsproject/api/actions?query=workflow%3Atesting+branch%3Amain)
 [![codecov](https://codecov.io/gh/materialsproject/api/branch/main/graph/badge.svg)](https://codecov.io/gh/materialsproject/api)
-![python](https://img.shields.io/badge/Python-3.9+-blue.svg?logo=python&logoColor=white)
+![python](https://img.shields.io/badge/Python-3.11+-blue.svg?logo=python&logoColor=white)
 
 This repository is the development environment for the new Materials Project API. A core client implementation will reside here. For information on how to use the API, please see the updated [documentation](https://docs.materialsproject.org/downloading-data/how-do-i-download-the-materials-project-database).

pyproject.toml

@@ -9,7 +9,7 @@ authors = [
 ]
 description = "API Client for the Materials Project"
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 license = { text = "modified BSD" }
 classifiers = [
   "Programming Language :: Python :: 3",