update rand funcs, clean up lint errors

Author: korewaChino

src/cloud/pwgen.rs

@@ -15,11 +15,11 @@ const CHARSET: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ\
 ///
 /// A randomly generated password as a `String`.
 pub fn generate_password(length: usize) -> String {
-    let mut rng = rand::thread_rng();
+    let mut rng = rand::rng();
 
     let password: String = (0..length)
         .map(|_| {
-            let idx = rng.gen_range(0..CHARSET.len());
+            let idx = rng.random_range(0..CHARSET.len());
             CHARSET[idx] as char
         })
         .collect();

src/ops.rs

@@ -201,7 +201,7 @@ pub enum ExitNodeProvisionerSpec {
 }
 
 impl ExitNodeProvisionerSpec {
-    pub fn get_inner(self) -> Box<(dyn Provisioner + Send + Sync)> {
+    pub fn get_inner(self) -> Box<dyn Provisioner + Send + Sync> {
         // Can we somehow not have to match on this?
         match self {
             ExitNodeProvisionerSpec::DigitalOcean(a) => Box::new(a),