Add GitHub Action for Python setup

This YAML file sets up a GitHub Action for configuring a specific version of Python, including various inputs and outputs for managing dependencies and environment variables.

Signed-off-by: Fabiana  ⚡️ Campanari <[email protected]>

Author: FabianaCampanari

setup-python.yml

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+---
+name: "Setup Python"
+description: "Set up a specific version of Python and add the command-line tools to the PATH."
+author: "GitHub"
+inputs:
+  python-version:
+    description: "Version range or exact version of Python or PyPy to use, using SemVer's version range syntax. Reads from .python-version if unset."
+  python-version-file:
+    description: "File containing the Python version to use. Example: .python-version"
+  cache:
+    description: "Used to specify a package manager for caching in the default directory. Supported values: pip, pipenv, poetry."
+    required: false
+  architecture:
+    description: "The target architecture (x86, x64) of the Python or PyPy interpreter."
+  check-latest:
+    description: "Set this option if you want the action to check for the latest available version that satisfies the version spec."
+    default: false
+  token:
+    description: "The token used to authenticate when fetching Python distributions from https://github.com/actions/python-versions. When running this action on github.com, the default value is sufficient. When running on GHES, you can pass a personal access token for github.com if you are experiencing rate limiting."
+    default: ${{ github.server_url == 'https://github.com' && github.token || '' }}
+  cache-dependency-path:
+    description: "Used to specify the path to dependency files. Supports wildcards or a list of file names for caching multiple dependencies."
+  update-environment:
+    description: "Set this option if you want the action to update environment variables."
+    default: true
+  allow-prereleases:
+    description: "When 'true', a version range passed to 'python-version' input will match prerelease versions if no GA versions are found. Only 'x.y' version range is supported for CPython."
+    default: false
+outputs:
+  python-version:
+    description: "The installed Python or PyPy version. Useful when given a version range as input."
+  cache-hit:
+    description: "A boolean value to indicate a cache entry was found"
+  python-path:
+    description: "The absolute path to the Python or PyPy executable."
+runs:
+  using: 'node20'
+  main: 'dist/setup/index.js'
+  post: 'dist/cache-save/index.js'
+  post-if: success()
+branding:
+  icon: 'code'
+  color: 'yellow'