misc: Fix various spelling errors using typos

This fixes all typos found by the typos utility with respect to the config file.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>

rate_limiter/src/lib.rs

@@ -860,7 +860,7 @@ pub(crate) mod tests {
         assert!(!l.consume(100, TokenType::Bytes));
 
         // after waiting out the full duration, rate limiter should be
-        // availale again
+        // available again
         thread::sleep(Duration::from_millis(200));
         assert!(l.event_handler().is_ok());
         assert!(!l.is_blocked());