Add missing JSON.stringify in database:settings:set (#3217)

* Add missing JSON.stringify in database:settings:set

Author: jmwski

CHANGELOG.md

@@ -2,3 +2,4 @@
 - Add support for reading/writing mfaInfo field in Auth Emulator (#3173).
 - Work around CORS issues with jsdom in Auth Emulator and Emulator Hub (#3224).
 - Fixes port conflict issues with `functions:shell` (#3210).
+- Fixes issue where `database:settings:set` would cause an error with valid input (#3217).

src/commands/database-settings-set.ts

@@ -43,7 +43,7 @@ export default new Command("database:settings:set <path> <value>")
     );
     const c = new Client({ urlPrefix: u.origin, auth: true });
     try {
-      await c.put(u.pathname, parsedValue);
+      await c.put(u.pathname, JSON.stringify(parsedValue));
     } catch (err) {
       throw new FirebaseError(`Unexpected error fetching configs at ${path}`, {
         exit: 2,