[Security Center] Update custom indicator feeds table (#18323)

Author: Maddy-Cloudflare

src/content/docs/security-center/indicator-feeds.mdx

@@ -19,6 +19,7 @@ Cloudflare provides some feeds to Gateway users without the need to establish a
 | ----------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
 | [Treasury Early Indicator Feed](https://www.cloudflare.com/press-releases/2024/us-department-of-treasury-pnnl-finserv-threat-intel-feed/) | Threat data for financial institutions provided by the US Department of Treasury and Pacific Northwest National Laboratory (PNNL). For more information, contact your account team. | Approved financial services organizations |
 | [UK NCSC Public Threat Indicators](https://www.ncsc.gov.uk/information/pdns)                                                              | Recursive DNS service supplied by the UK National Cyber Security Centre (NCSC) to block DNS-based malware.                                                                          | All users                                 |
+| Cloudforce One - Public Feed                                                                                                              | Feed of indicators.                                                                                                                                                                 | All users                                          |
 
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