Update banner

jondricek · web-flow · commit 121814c70ec1 · 2025-02-05T12:18:56.000-06:00
diff --git a/website-banner.production b/website-banner.production
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-Reminder: the TAXII 2.0 server <a href='https://medium.com/mitre-attack/introducing-taxii-2-1-and-a-fond-farewell-to-taxii-2-0-d9fca6ce4c58'>retired on December 18</a>. Please switch to the <a href='https://github.com/mitre-attack/attack-workbench-taxii-server/blob/main/docs/USAGE.md'>TAXII 2.1 server</a> to ensure uninterrupted service.
+ATT&CKcon 6.0 returns October 14-15, 2025 in McLean, VA. More details about tickets and our CFP can be found <a href='https://na.eventscloud.com/attackcon6'>here</a>

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`1`		`-Reminder: the TAXII 2.0 server <a href='https://medium.com/mitre-attack/introducing-taxii-2-1-and-a-fond-farewell-to-taxii-2-0-d9fca6ce4c58'>retired on December 18</a>. Please switch to the <a href='https://github.com/mitre-attack/attack-workbench-taxii-server/blob/main/docs/USAGE.md'>TAXII 2.1 server</a> to ensure uninterrupted service.`
	`1`	`+ATT&CKcon 6.0 returns October 14-15, 2025 in McLean, VA. More details about tickets and our CFP can be found <a href='https://na.eventscloud.com/attackcon6'>here</a>`