Merge branch 'main' into release/v2

* main:
  Prepare for release 2.22.0.
  Update the README and fix some typos (#199)
  Add support for enabling hardware keyboard.
  Update README.md `avdmanager list device`
  Update NPM packages.
  Migrate to gradle-build-action.
  Update packages.

node_modules/@actions/http-client/index.js

@@ -427,7 +427,9 @@ class HttpClient {
                 maxSockets: maxSockets,
                 keepAlive: this._keepAlive,
                 proxy: {
-                    proxyAuth: `${proxyUrl.username}:${proxyUrl.password}`,
+                    ...((proxyUrl.username || proxyUrl.password) && {
+                        proxyAuth: `${proxyUrl.username}:${proxyUrl.password}`
+                    }),
                     host: proxyUrl.hostname,
                     port: proxyUrl.port
                 }