Update Stuttgart link (#514)

Signed-off-by: Danijel Soldo <64021215+danijel-soldo@users.noreply.github.com>
Signed-off-by: Kristina Devochko <47773700+guidemetothemoon@users.noreply.github.com>
Co-authored-by: Kristina Devochko <47773700+guidemetothemoon@users.noreply.github.com>

website/content/en/events/2024-cloud-native-sustainability-week.md

@@ -38,7 +38,7 @@ After the successful [Sustainability Week 2023](https://tag-env-sustainability.c
 | 8 | India | TBD | TBD | Saiyam
 | 9 | Aarhus, Denmark | October 7th | [Link](https://community.cncf.io/events/details/cncf-aarhus-presents-cncf-sustainability-week-aarhus-2024/) | [Cloud Native Aarhus Organizers](https://community.cncf.io/aarhus/)
 | 10 | Kuala Lumpur, Malaysia | Oct. 21 | TBD | Mageshwaran Sekar, Khairul Anuar, Ahmed Zidan
-| 11 | Stuttgart, Germany | TBD| TBD | Danijel Soldo, Stefan Bergstein
+| 11 | Stuttgart, Germany | October 10th | [Link](https://community.cncf.io/events/details/cncf-cloud-native-stuttgart-presents-cncf-sustainability-week-stuttgart-2024/) | Danijel Soldo, Jens Schwarzer, Stefan Bergstein, Wolfram Richter
 | 12 | Paris, France | Oct. 15 | [Link](https://community.cncf.io/events/details/cncf-paris-presents-cloud-native-sustainability-week-akamai/) | Smaine Kahlouch [Cloud Native Paris](https://community.cncf.io/paris/)
 | 13 | Brighton, UK | Oct. 16 | [Link](https://www.meetup.com/gsf-brighton/events/303193268) | Adam Newman, [Green Software Brighton](https://greensoftwarebrighton.co.uk)
 | 14 | Lorient, FR | Sept. 25 | [Link](https://community.cncf.io/events/details/cncf-lorient-presents-cloud-native-lorient-5/) | Sébastien DAVOULT [cloud Native Lorient](https://community.cncf.io/lorient/)