chore(deps): RUSTSEC-2026-0097 mitigation

Allows to set the revision message of multiple revisions by passing
them as arguments. This only supports simple revisions, such as `@`,
`@-`, `xs`, and so on. Comple revisions such as `@..@-` are not
supported.

Fixes: #5

src/jj/lib_executor.rs

@@ -404,14 +404,16 @@ mod tests {
 
     #[tokio::test]
     async fn describe_fails_outside_repo() {
-        // with_working_dir returns Err when not in a repo
         let temp_dir = assert_fs::TempDir::new().unwrap();
+
+        // with_working_dir returns Err when not in a repo
         let executor = JjLib::with_working_dir(temp_dir.path()).await;
         assert!(executor.is_err());
 
-        let valid_dir = assert_fs::TempDir::new().unwrap();
-        init_jj_repo(valid_dir.path()).await.expect("Failed to init jj repo");
-        let executor = JjLib::with_working_dir(valid_dir.path()).await.unwrap();
+        // Use an executor from a valid repo and try to describe a non-existent revset
+        let executor = JjLib::with_working_dir(std::path::Path::new("."))
+            .await
+            .unwrap();
         let result = executor
             .describe("this-bookmark-does-not-exist", "test: should fail")
             .await;
@@ -526,8 +528,9 @@ mod tests {
 
     #[tokio::test]
     async fn jj_lib_implements_jj_executor_trait() {
-        fn assert_implements<T: JjExecutor>() {}
-        assert_implements::<JjLib>();
+        let lib = JjLib::with_working_dir(std::path::Path::new(".")).await;
+        fn accepts_executor(_: impl JjExecutor) {}
+        accepts_executor(lib.unwrap());
     }
 
     mod user_config_paths_tests {