build(panic): Fix build without other dependencies (#883)

Co-authored-by: lcian <[email protected]>

Author: liskin

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-## Features
+### Features
 
 - feat(core): add Response context ([#874](https://github.com/getsentry/sentry-rust/pull/874)) by @lcian
   - The `Response` context can now be attached to events, to include information about HTTP responses such as headers, cookies and status code.
@@ -21,6 +21,11 @@
         .insert("response".to_owned(), response.into());
     ```
 
+### Fixes
+
+- build(panic): Fix build without other dependencies ([#883](https://github.com/getsentry/sentry-rust/pull/883)) by @liskin
+  - The `sentry-panic` crate now builds successfully when used as a standalone dependency.
+
 ## 0.42.0
 
 ### Features

sentry-panic/Cargo.toml

@@ -13,7 +13,7 @@ edition = "2021"
 rust-version = "1.81"
 
 [dependencies]
-sentry-core = { version = "0.42.0", path = "../sentry-core" }
+sentry-core = { version = "0.42.0", path = "../sentry-core", features = ["client"] }
 sentry-backtrace = { version = "0.42.0", path = "../sentry-backtrace" }
 
 [dev-dependencies]