Cargo update and clippy fix (#168)

* Bump serde from 1.0.132 to 1.0.136

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.132 to 1.0.136.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.132...v1.0.136)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Cargo update and clippy fix

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/config.rs

@@ -22,7 +22,7 @@ mod tests {
     fn load_config_with_missing_sendgrid_api_key() {
         std::env::remove_var("SENDGRID_API_KEY");
         let file = "./examples/config.yaml";
-        load(&file);
+        load(file);
     }
 
     #[test]
@@ -32,7 +32,7 @@ mod tests {
         std::env::set_var("SENDGRID_API_KEY", "FAKE");
         std::env::set_var("SENDGRID_MAIL_FROM", "notify@rfd-notify.org");
         std::env::set_var("SENDGRID_MAIL_TO", "test@email.com");
-        load(&file);
+        load(file);
     }
 }
 

src/mail.rs

@@ -10,6 +10,8 @@ pub fn send(topic: &Topic, posts: &Posts, expression: &str, config: &Config) {
     let api_key = &config.sendgrid.api_key;
     let sg = SGClient::new(api_key.to_string());
 
+    let web_path = format!("{}/{}", RFD_FORUMS_BASE_URL, topic.web_path);
+
     let html_message = format!(
         "\
     <b>Date:</b> {}
@@ -32,7 +34,7 @@ pub fn send(topic: &Topic, posts: &Posts, expression: &str, config: &Config) {
         topic.post_time,
         topic.offer.dealer_name.as_ref().unwrap_or(&"".to_string()),
         topic.offer.url.as_ref().unwrap_or(&"".to_string()),
-        format!("{}/{}", RFD_FORUMS_BASE_URL, topic.web_path),
+        web_path,
         posts.posts[0].body,
         expression,
     );