fix: clippy error

```output
error: unnecessary `Debug` formatting in `format!` args
   --> src/console/ci/e2e/runner.rs:140:98
    |
140 |     let config = std::fs::read_to_string(path).with_context(|| format!("CSan't read config file {path:?}"))?;
    |                                                                                                  ^^^^
    |
    = help: use `Display` formatting and change this to `path.display()`
    = note: switching to `Display` formatting will change how the value is shown; escaped characters will no longer be escaped and surrounding quotes will be removed
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_debug_formatting
    = note: `-D clippy::unnecessary-debug-formatting` implied by `-D clippy::pedantic`
    = help: to override `-D clippy::pedantic` add `#[allow(clippy::unnecessary_debug_formatting)]`

error: could not compile `torrust-tracker` (lib) due to 1 previous error
warning: build failed, waiting for other jobs to finish...
error: could not compile `torrust-tracker` (lib test) due to 1 previous error
```

Author: josecelano

src/console/ci/e2e/runner.rs

@@ -137,7 +137,7 @@ fn load_tracker_configuration(args: &Args) -> anyhow::Result<String> {
 }
 
 fn load_config_from_file(path: &PathBuf) -> anyhow::Result<String> {
-    let config = std::fs::read_to_string(path).with_context(|| format!("CSan't read config file {path:?}"))?;
+    let config = std::fs::read_to_string(path).with_context(|| format!("CSan't read config file {}", path.display()))?;
 
     Ok(config)
 }