releases: Add build number to Nightly builds (#42990)

- **Remove semantic_version crate and use semver instead**
- **Update upload-nightly**


Release Notes:

- N/A

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

crates/cli/build.rs

@@ -23,4 +23,7 @@ fn main() {
 
         println!("cargo:rustc-env=ZED_COMMIT_SHA={git_sha}");
     }
+    if let Some(build_identifier) = option_env!("GITHUB_RUN_NUMBER") {
+        println!("cargo:rustc-env=ZED_BUILD_ID={build_identifier}");
+    }
 }