build(deps): bump rustls from 0.23.45 to 0.23.46 (Issue #51)

Fixes RUSTSEC key material in the Debug output of client session values;
ink-notes doesn't use a custom session store, so it wasn't affected.
Flatpak cargo sources updated alongside.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Cargo.lock

@@ -2580,9 +2580,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.23.45"
+version = "0.23.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d41d731c7d2f962d1ccc364cec258de3c0e93b38c2fb3ba97ac74513048d634"
+checksum = "48e13bd8c0e9365c43cfa5c9e8f9ad49d3c8444926c9aac819e0e4dc503c8fdf"
 dependencies = [
  "log",
  "once_cell",