confidential-containers: Update project info (#3721)

- Update website
- Update repo_url
- Add blog link
- Add YT link

Signed-off-by: Suraj Deshmukh <suraj.deshmukh@microsoft.com>

landscape.yml

@@ -837,9 +837,9 @@ landscape:
             description: >-
               Confidential Containers is an open source community working to enable cloud native  confidential computing by leveraging Trusted Execution
               Environments to protect  containers and data.
-            homepage_url: https://github.com/confidential-containers
+            homepage_url: https://confidentialcontainers.org/
             project: sandbox
-            repo_url: https://github.com/confidential-containers/operator
+            repo_url: https://github.com/confidential-containers/confidential-containers
             logo: confidential-containers.svg
             crunchbase: https://www.crunchbase.com/organization/cloud-native-computing-foundation
             extra:
@@ -851,6 +851,8 @@ landscape:
               clomonitor_name: confidential-containers
               annual_review_url: https://github.com/cncf/toc/pull/1084
               annual_review_date: '2023-06-15'
+              blog_url: https://confidentialcontainers.org/blog/
+              youtube_url: https://www.youtube.com/@confidentialcontainers3845
           - item:
             name: ContainerSSH
             description: >-