THRIFT-5684 upgrade to net7.0:
Client: netstd
Patch: Jens Geyer
diff --git a/build/docker/README.md b/build/docker/README.md
index a41f031..9635e6f 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -183,7 +183,7 @@
| java | 1.8.0\_191 | 17 | |
| js | Node.js 6.17.1, V8 5.1.281.111, npm 3.10.10 | Node.js 10.18.0, V8 6.8.275.32, npm 6.13.4 | |
| lua | | 5.2.4 | Lua 5.3: see THRIFT-4386 |
-| netstd | 6.0 | 6.0 | |
+| netstd | 7.0 | 7.0 | |
| nodejs | 6.16.0 | 10.16.0 | |
| ocaml | | 4.05.0 | THRIFT-4517: ocaml 4.02.3 on xenial appears broken |
| perl | 5.22.1 | 5.26.1 | |