Update extension docs to mention BSD 3-Clause is a valid license (#40934)

Joseph T. Lyons created

Release Notes:

- N/A

Change summary

docs/src/extensions/developing-extensions.md | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

Detailed changes

docs/src/extensions/developing-extensions.md 🔗

@@ -111,9 +111,11 @@ git submodule update
 
 ## Extension License Requirements
 
-As of October 1st, 2025, extension repositories must include one of the following licenses:
+As of October 1st, 2025, extension repositories must include a license.
+The following licenses are accepted:
 
 - [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0)
+- [BSD 3-Clause](https://opensource.org/license/bsd-3-clause)
 - [GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html)
 - [MIT](https://opensource.org/license/mit)