Update Rust, Crates and GHA (#7307)

- Updated Rust to v1.96.0
- Updated all the crates, and adjusted code where needed
- Fixed some nightly reported clippy lints
- Updated all the GitHub actions

Signed-off-by: BlackDex <black.dex@gmail.com>

src/api/admin.rs

@@ -643,11 +643,11 @@ async fn has_http_access() -> bool {
     }
 }
 
-use cached::proc_macro::cached;
+use cached::macros::cached;
 /// Cache this function to prevent API call rate limit. Github only allows 60 requests per hour, and we use 3 here already
 /// It will cache this function for 600 seconds (10 minutes) which should prevent the exhaustion of the rate limit
 /// Any cache will be lost if Vaultwarden is restarted
-#[cached(time = 600, sync_writes = "default")]
+#[cached(ttl = 600, sync_writes = "default")]
 async fn get_release_info(has_http_access: bool) -> (String, String, String) {
     // If the HTTP Check failed, do not even attempt to check for new versions since we were not able to connect with github.com anyway.
     if has_http_access {

src/config.rs

@@ -956,7 +956,7 @@ fn validate_config(cfg: &ConfigItems, on_update: bool) -> Result<(), Error> {
     }
 
     if cfg.database_min_conns > cfg.database_max_conns {
-        err!(format!("`DATABASE_MIN_CONNS` must be smaller than or equal to `DATABASE_MAX_CONNS`.",));
+        err!("`DATABASE_MIN_CONNS` must be smaller than or equal to `DATABASE_MAX_CONNS`.");
     }
 
     if let Some(log_file) = &cfg.log_file

src/sso_client.rs

@@ -219,7 +219,7 @@ impl Client {
         } else {
             let challenge = PkceCodeChallenge::from_code_verifier_sha256(&verifier);
             if challenge.as_str() != String::from(sso_auth.client_challenge.clone()) {
-                err!(format!("PKCE client challenge failed"))
+                err!("PKCE client challenge failed")
                 // Might need to notify admin ? how ?
             }
         }