Homepage Announcement Update - Storm Release

[bhavikbhagat93]

Detailed Description

1. Add a new announcement to the top:

 October 18, 2023: We are excited to announce Lost to follow up feature and [Dictionary 1.19](https://docs.icgc-argo.org/dictionary) is now available.

2. Remove the oldest announcement:

April 5, 2023: We are excited to announce Data Release 6.0 on the ICGC ARGO Data Platform, including the first release of a new RNA-Seq analysis workflow: RNA Seq Alignment, available now for transcriptome sequencing data from Australian Pancreatic Cancer Initiative (APGI-AU).

3. Update this

from

[ARGO Data Dictionary 1.18](https://docs.icgc-argo.org/docs/release-notes/dictionary-releases), [Data Release 6.0](https://docs.icgc-argo.org/docs/release-notes/data-releases), and [Software Release UI 1.124.1 - API 3.40.0](https://docs.icgc-argo.org/docs/release-notes/software-releases) are now available.

To

[ARGO Data Dictionary 1.19](https://docs.icgc-argo.org/docs/release-notes/dictionary-releases), [Data Release 6.0](https://docs.icgc-argo.org/docs/release-notes/data-releases), and [Software Release UI 1.124.6 - API 3.41.0](https://docs.icgc-argo.org/docs/release-notes/software-releases) are now available.