Move 3 proposals from phase 4 to phase 5 (finished)

Author: binji

README.md

@@ -11,9 +11,6 @@ Proposals follow [this process document](https://github.com/WebAssembly/meetings
 
 | Proposal                                                                       | Champion         |
 | ------------------------------------------------------------------------------ | ---------------- |
-| [Non-trapping float-to-int conversions][non-trapping_float-to-int_conversions] | Dan Gohman       |
-| [Sign-extension operators][sign-extension_operators]                           | Ben Smith        |
-| [Multi-value][multi-value]                                                     | Andreas Rossberg |
 
 ### Phase 3 - Implementation Phase (CG + WG)
 

finished-proposals.md

@@ -5,8 +5,12 @@ Finished proposals are proposals that have reached phase 4, and are included in
 | Proposal                                                             | Champion         | Meeting notes        |
 | -------------------------------------------------------------------- | ---------------- | ---------------------|
 | [Import/Export of Mutable Globals][import_export_of_mutable_globals] | Ben Smith        | [WG 06-06][WG-06-06] |
+| [Non-trapping float-to-int conversions][non-trapping_float-to-int_conversions] | Dan Gohman       | [WG-03-11][] |
+| [Sign-extension operators][sign-extension_operators]                           | Ben Smith        | [WG-03-11][] |
+| [Multi-value][multi-value]                                                     | Andreas Rossberg | [WG-03-11][] |
 
 See also the [active proposals](README.md) and [inactive proposals](inactive-proposals.md) documents.
 
 [import_export_of_mutable_globals]: https://github.com/WebAssembly/mutable-global
 [wg-06-06]: https://github.com/WebAssembly/meetings/blob/master/2018/WG-06-06.md#discussion-on-status-of-the-working-draft
+[WG-03-11]: https://github.com/WebAssembly/meetings/blob/master/2020/WG-03-11.md