chores: remove failing badges and remove cache parameter. Now, badges are stable

Author: ecarrenolozano

README.md

@@ -6,10 +6,8 @@
 [![Tests](https://img.shields.io/github/actions/workflow/status/saezlab/pkg_infra/ci-testing-unit.yml?branch=main)](https://github.com/saezlab/pkg_infra/actions/workflows/ci-testing-unit.yml)
 [![Docs](https://img.shields.io/badge/docs-MkDocs-blue)](https://saezlab.github.io/pkg_infra/)
 ![Pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)
-[![PyPI](https://img.shields.io/pypi/v/pkg-infra?cacheSeconds=300)](https://pypi.org/project/pkg_infra/)
-[![Python](https://img.shields.io/pypi/pyversions/pkg-infra?cacheSeconds=300)](https://pypi.org/project/pkg_infra/)
 [![PyPI](https://img.shields.io/pypi/v/pkg_infra)](https://pypi.org/project/pkg_infra/)
-[![Python](https://img.shields.io/pypi/pyversions/pkg_infra)](https://pypi.org/project/pkg_infra/)
+![Python](https://img.shields.io/badge/dynamic/toml?url=https%3A%2F%2Fraw.githubusercontent.com%2Fsaezlab%2Fpkg_infra%2Fmain%2Fpyproject.toml&query=%24.project.requires-python&label=python)
 ![License](https://img.shields.io/github/license/saezlab/pkg_infra)
 ![Issues](https://img.shields.io/github/issues/saezlab/pkg_infra)
 ![Last Commit](https://img.shields.io/github/last-commit/saezlab/pkg_infra)