Fix clippy::unnecessary_semicolon warning

```
error: unnecessary semicolon
   --> src/context.rs:316:10
    |
316 |         };
    |          ^ help: remove
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
    = note: `-D clippy::unnecessary-semicolon` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_semicolon)]`

error: unnecessary semicolon
    --> src/main.rs:1080:10
     |
1080 |         };
     |          ^ help: remove
     |
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon

error: unnecessary semicolon
    --> src/main.rs:1100:10
     |
1100 |         };
     |          ^ help: remove
     |
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
```

src/context.rs

@@ -313,7 +313,7 @@ fn ask_to_run(cmd: &ProcessBuilder, ask: bool, text: &str) -> Result<()> {
             "" | "y" | "yes" => {}
             "n" | "no" => bail!("aborting as per your request"),
             a => bail!("invalid answer `{}`", a),
-        };
+        }
     } else {
         info!("running {} to {}", cmd, text);
     }

src/main.rs

@@ -1077,7 +1077,7 @@ impl Format {
                 println!("{out}");
             }
             return Ok(());
-        };
+        }
 
         if cx.args.cov.codecov {
             if term::verbose() {
@@ -1097,7 +1097,7 @@ impl Format {
                 println!("{out}");
             }
             return Ok(());
-        };
+        }
 
         if let Some(output_path) = &cx.args.cov.output_path {
             if term::verbose() {