THRIFT-5832 Drop net6 support and add net9 instead
Client: netstd
Patch: Jens Geyer
diff --git a/build/docker/README.md b/build/docker/README.md
index 9e972b8..6b535df 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -188,7 +188,7 @@
| java | 17 | 17 | |
| js | Node.js 16.20.2, npm 8.19.4 | Node.js 16.20.2, npm 8.19.4 | |
| lua | 5.2.4 | 5.2.4 | Lua 5.3: see THRIFT-4386 |
-| netstd | 8.0.200 | 8.0.200 | |
+| netstd | 9.0 | 9.0 | |
| nodejs | 16.20.2 | 16.20.2 | |
| ocaml | 4.08.1 | 4.13.1 | |
| perl | 5.30.0 | 5.34.0 | |