feat: don't restrict arch when installing linux client

This change updates the install commands to match those
on https://pkg.cloudflareclient.com/ in order to support
arm64 linux clients.

lib/setup-cloudflare-warp.js

@@ -17,7 +17,7 @@ async function installLinuxClient(version) {
     `/bin/bash -c "cat ${gpgKeyPath} | sudo gpg --yes --dearmor --output /usr/share/keyrings/cloudflare-warp-archive-keyring.gpg"`,
   );
   await exec.exec(
-    '/bin/bash -c "echo \\"deb [arch=amd64 signed-by=/usr/share/keyrings/cloudflare-warp-archive-keyring.gpg] https://pkg.cloudflareclient.com/ $(lsb_release -cs) main\\" | sudo tee /etc/apt/sources.list.d/cloudflare-client.list"',
+    '/bin/bash -c "echo \\"deb [signed-by=/usr/share/keyrings/cloudflare-warp-archive-keyring.gpg] https://pkg.cloudflareclient.com/ $(lsb_release -cs) main\\" | sudo tee /etc/apt/sources.list.d/cloudflare-client.list"',
   );
   await exec.exec("sudo apt update");