docs: Update installation instructions for MSYS2 (#13251)

Nicolò Santilio and Marshall Bowers created

Fixes #13229 

Release Notes:

- N/A

---------

Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

Change summary

docs/src/development/windows.md | 1 +
1 file changed, 1 insertion(+)

Detailed changes

docs/src/development/windows.md 🔗

@@ -69,6 +69,7 @@ cargo test --workspace
 [MSYS2](https://msys2.org/) distribution provides Zed as a package. To download the prebuilt binary, run
 
 ```
+pacman -Syu
 pacman -S mingw-w64-ucrt-x86_64-zed
 ```