zed_extension_api: Release v0.6.0 (#32945)

This PR releases v0.6.0 of the Zed extension API.

Support for this version of the extension API will land in Zed v0.192.x.

Release Notes:

- N/A

crates/extension_api/Cargo.toml

@@ -6,8 +6,7 @@ repository = "https://github.com/zed-industries/zed"
 documentation = "https://docs.rs/zed_extension_api"
 keywords = ["zed", "extension"]
 edition.workspace = true
-# Change back to `true` when we're ready to publish v0.6.0.
-publish = false
+publish = true
 license = "Apache-2.0"
 
 [lints]

crates/extension_api/README.md

@@ -65,6 +65,7 @@ Here is the compatibility of the `zed_extension_api` with versions of Zed:
 
 | Zed version | `zed_extension_api` version |
 | ----------- | --------------------------- |
+| `0.192.x`   | `0.0.1` - `0.6.0`           |
 | `0.186.x`   | `0.0.1` - `0.5.0`           |
 | `0.184.x`   | `0.0.1` - `0.4.0`           |
 | `0.178.x`   | `0.0.1` - `0.3.0`           |