Secure Shell (stable) updated to 0.48

[Mike Frysinger]

i've just released Secure Shell (stable) 0.48 [ext] which some bandwidth improvements, especially when using relays.  we finished the ES6 module migration to help with the WASM port.

Secure Shell (nassh) ChangeLog:

* main: Workaround LaCrOS accessibility bug.
* main: Request persisted storage if storage is temporary.
* buffer: Use scatgat buffer by default.
* relay: RelayCorpv4WsStream copies data into ArrayBuffer instead of Array.
* ssh_client: Don't patch openssh channel window.
* polyfill: Move manifest polyfill to common code.
* fs: Add a call to requestQuota.
* relay: Use lib.f.getURL.
* wassh: Add a WIP wasm warning.
* Replace chrome.runtime.getURL with helper function.
* google-smart-card: Update to latest 1.3.8.0 version.
* metrics: Adjust OS names to match data destination.
* metrics: Remove collection for mount connections.
* metrics: update latency metric fields.
* metrics: Build payload and send it via go/monapi.
* metrics: Show prompts only when chrome.permissions is available.
* wassh: vfs: Change cwd path to /.
* wassh: constants: New module to only hold constants.
* wassh: Drop custom DirectWasiPreview1.
* fs: Move getFileSystem to the new module.
* command: Handle stackless errors.
* command: Stop looking up filesystem.
* prefs: Convert to ES6 modules.
* utils: Convert to ES6 module.
* prefs: Convert to ES6 module.
* hterm: Drop hterm.defaultStorage fallback.
* main: Pass explicit storage to hterm.Terminal.
* prefs editor: Add dark mode support.
* prefs: Require explicit storage.
* command: Make syncStorage a requirement.
* background: Move import/export functions out of main code.
* background: Rename main page to _main.js.
* prefs: Switch import/export APIs to Chrome sync storage.
* libdot: prefs: Change import APIs from callbacks to async.
* libdot: prefs: Clear all prefs on import.
* prefs editor: Call background page to import/export settings.
* popup: Switch to explicit sync storage.
* prefs: Switch editor to explicit sync storage.
* mosh: Migrate off of hterm.Terminal.runCommandClass.
* tests: Stop using hterm.defaultStorage.
* mosh: Stop using hterm.defaultStorage.
* nassh: Stop using hterm.defaultStorage.
* crosh: Stop using hterm.defaultStorage.
* l10n: Update translations.

-mike