docs: Update discord invite link in README.md (#8560)

Author: julian-risch

README.md

@@ -6,7 +6,7 @@
 | CI/CD   | [![Tests](https://github.com/deepset-ai/haystack/actions/workflows/tests.yml/badge.svg)](https://github.com/deepset-ai/haystack/actions/workflows/tests.yml) [![types - Mypy](https://img.shields.io/badge/types-Mypy-blue.svg)](https://github.com/python/mypy) [![Coverage Status](https://coveralls.io/repos/github/deepset-ai/haystack/badge.svg?branch=main)](https://coveralls.io/github/deepset-ai/haystack?branch=main) [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff) |
 | Docs    | [![Website](https://img.shields.io/website?label=documentation&up_message=online&url=https%3A%2F%2Fdocs.haystack.deepset.ai)](https://docs.haystack.deepset.ai)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
 | Package | [![PyPI](https://img.shields.io/pypi/v/haystack-ai)](https://pypi.org/project/haystack-ai/) ![PyPI - Downloads](https://img.shields.io/pypi/dm/haystack-ai?color=blue&logo=pypi&logoColor=gold) ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/haystack-ai?logo=python&logoColor=gold) [![Conda Version](https://img.shields.io/conda/vn/conda-forge/haystack-ai.svg)](https://anaconda.org/conda-forge/haystack-ai) [![GitHub](https://img.shields.io/github/license/deepset-ai/haystack?color=blue)](LICENSE) [![License Compliance](https://github.com/deepset-ai/haystack/actions/workflows/license_compliance.yml/badge.svg)](https://github.com/deepset-ai/haystack/actions/workflows/license_compliance.yml) |
-| Meta    | [![Discord](https://img.shields.io/discord/993534733298450452?logo=discord)](https://discord.com/invite/VBpFzsgRVF) [![Twitter Follow](https://img.shields.io/twitter/follow/haystack_ai)](https://twitter.com/haystack_ai)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
+| Meta    | [![Discord](https://img.shields.io/discord/993534733298450452?logo=discord)](https://discord.com/invite/xYvH6drSmA) [![Twitter Follow](https://img.shields.io/twitter/follow/haystack_ai)](https://twitter.com/haystack_ai)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 </div>
 
 [Haystack](https://haystack.deepset.ai/) is an end-to-end LLM framework that allows you to build applications powered by