Upgrade to Rocket v0.5.2 (#7890)

Upgrade Rocket to v0.5.2 which has updated all the crate dependencies.
Also adjusted some code which I changed with Rkt and during that found
some small bugs and fixed those too.

Adjusted the ETag Caching a bit.

Also updated other crates and GHA.

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

src/error.rs

@@ -425,12 +425,12 @@ macro_rules! err_json {
 macro_rules! err_handler {
     ($expr:expr) => {{
         error!(target: "auth", "Unauthorized Error: {}", $expr);
-        return ::rocket::request::Outcome::Error((rocket::http::Status::Unauthorized, $expr));
+        return ::rocket::request::Outcome::Error((::rocket::http::Status::Unauthorized, $expr));
     }};
     ($usr_msg:expr, $log_value:expr) => {{
         let usr_msg = $usr_msg;
         let log_value = $log_value;
         error!(target: "auth", "Unauthorized Error: {usr_msg}. {log_value}");
-        return ::rocket::request::Outcome::Error((rocket::http::Status::Unauthorized, usr_msg));
+        return ::rocket::request::Outcome::Error((::rocket::http::Status::Unauthorized, usr_msg));
     }};
 }