Enhance/releasing checklist (#3781)

* Add supported table in GHCup instructions

* Update ghc-version-support table

---------

Co-authored-by: Michael Peyton Jones <[email protected]>

Author: fendor

RELEASING.md

@@ -57,5 +57,9 @@
 - [ ] upload hackage packages
   - requires credentials
 - [ ] update https://haskell-language-server.readthedocs.io/en/latest/support/ghc-version-support.html#current-ghc-version-support-status
+- [ ] Supported tools table needs to be updated:
+  - https://www.haskell.org/ghcup/install/#supported-platforms
+  - https://github.com/haskell/ghcup-hs/blob/master/docs/install.md#supported-platforms
+  - https://github.com/haskell/ghcup-metadata/blob/44c6e2b5d0fcae15abeffff03e87544edf76dd7a/ghcup-gen/Main.hs#L67
 - [ ] post release on discourse and reddit
 - [ ] merge release PR to master or forward port relevant changes

docs/support/ghc-version-support.md

@@ -19,6 +19,7 @@ Support status (see the support policy below for more details):
 |--------------|--------------------------------------------------------------------------------------|-----------------------------------------------------------------------------|
 | 9.6.2        | [latest](https://github.com/haskell/haskell-language-server/releases/latest)         | basic support                                                               |
 | 9.6.1        | [2.0.0.0](https://github.com/haskell/haskell-language-server/releases/tag/2.0.0.0)   | basic support                                                               |
+| 9.4.7        | [latest](https://github.com/haskell/haskell-language-server/releases/latest)         | full support                                                                |
 | 9.4.6        | [latest](https://github.com/haskell/haskell-language-server/releases/latest)         | full support                                                                |
 | 9.4.5        | [latest](https://github.com/haskell/haskell-language-server/releases/latest)         | full support                                                                |
 | 9.4.4        | [1.10.0.0](https://github.com/haskell/haskell-language-server/releases/tag/1.10.0.0) | deprecated                                                                  |