refactor: conforms to clippy 1.67 recommandations

src/util.rs

@@ -112,12 +112,12 @@ pub async fn base64_media(u: &str) -> Result<String, Box<dyn Error>> {
     let content_type = response
         .headers()
         .get("content-type")
-        .ok_or_else(|| ScootalooError::new(&format!("Cannot get media content type for {}", u)))?
+        .ok_or_else(|| ScootalooError::new(&format!("Cannot get media content type for {u}")))?
         .to_str()?;
 
     let encoded_f = encode(buffer);
 
-    Ok(format!("data:{};base64,{}", content_type, encoded_f))
+    Ok(format!("data:{content_type};base64,{encoded_f}"))
 }
 
 /// Gets and caches Twitter Media inside the determined temp dir
@@ -134,19 +134,17 @@ pub async fn cache_media(u: &str, t: &str) -> Result<String, Box<dyn Error>> {
         .path_segments()
         .ok_or_else(|| {
             ScootalooError::new(&format!(
-                "Cannot determine the destination filename for {}",
-                u
+                "Cannot determine the destination filename for {u}"
             ))
         })?
         .last()
         .ok_or_else(|| {
             ScootalooError::new(&format!(
-                "Cannot determine the destination filename for {}",
-                u
+                "Cannot determine the destination filename for {u}"
             ))
         })?;
 
-    let dest_filepath = format!("{}/{}", t, dest_filename);
+    let dest_filepath = format!("{t}/{dest_filename}");
 
     let mut dest_file = File::create(&dest_filepath).await?;