Update README.md and CI workflow to require Rust 1.93 for building libcosmic, ensuring compatibility with the latest dependencies.

Author: vaulttec-dev

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Rust toolchain
         uses: dtolnay/rust-toolchain@3c5f7ea28cd621ae0bf5283f0e981fb97b8a7af9
         with:
-          toolchain: 1.85
+          toolchain: 1.93
           components: rustfmt, clippy
 
       - name: Install system dependencies

README.md

@@ -6,7 +6,7 @@ COSMIC panel applet for **Pop!_OS**: manage Docker containers from the panel —
 
 - **Pop!_OS 24.04+** (or another distro with COSMIC panel)
 - **Docker** CLI (`docker` in `PATH`, daemon running, user in `docker` group or rootless Docker)
-- Rust 1.85 or newer (edition 2024)
+- Rust 1.93 or newer (edition 2024; required by `libcosmic`)
 - System libraries for building `libcosmic`:
 
 ```bash