Update trixnity.mdx (#1422)

Author: benkuly

gatsby/content/projects/sdks/trixnity.mdx

@@ -9,7 +9,7 @@ home: https://gitlab.com/trixnity/trixnity
 language: Kotlin
 featured: true
 e2e: "Yes"
-license: AGPL-3.0-or-later
+license: Apache-2.0
 # pick your license from https://spdx.org/licenses/
 repo: https://gitlab.com/trixnity/trixnity
 room: "#trixnity:imbitbu.de" # nb the quotes are needed as rooms start with #