Increase MSRV to 1.67 (#3234)

* Bump MSRV to 1.67

* clippy fixes

* cargo clippy: inline format args

* Add `clippy::uninlined_format_args` to cranky lints

* Fix clippy on wasm

* More clippy fixes

examples/puffin_profiler/src/main.rs

@@ -62,7 +62,7 @@ fn start_puffin_server() {
             std::mem::forget(puffin_server);
         }
         Err(err) => {
-            eprintln!("Failed to start puffin server: {}", err);
+            eprintln!("Failed to start puffin server: {err}");
         }
     };
 }