fix(tls): install rustls ring provider at startup

Author: evanpurkhiser

src/main.rs

@@ -1,4 +1,11 @@
 fn main() {
+    // Install an explicit rustls crypto provider at startup. We use `ring`
+    // because it tends to be the most reliable/easiest provider to build
+    // across common Linux packaging environments.
+    rustls::crypto::ring::default_provider()
+        .install_default()
+        .expect("failed to install rustls crypto provider");
+
     if let Err(err) = things3_cloud::app::run() {
         eprintln!("{err}");
         std::process::exit(1);