fix!: change some fields to optional types in CheckSuite struct (#784)

Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>

Author: maflcko

src/models/checks.rs

@@ -42,13 +42,13 @@ pub struct ListCheckRuns {
 pub struct CheckSuite {
     pub id: CheckSuiteId,
     pub node_id: String,
-    pub head_branch: String,
+    pub head_branch: Option<String>,
     pub head_sha: String,
     pub status: Option<String>,
     pub conclusion: Option<String>,
-    pub url: String,
-    pub before: String,
-    pub after: String,
+    pub url: Option<String>,
+    pub before: Option<String>,
+    pub after: Option<String>,
     app: Option<App>,
     pub repository: Repository,
     pub created_at: chrono::DateTime<chrono::Utc>,