Implement OTA Updates (#364)

Implements OTA updates, fetched via GitHub from our `App-Bundles` repository

All Typescript changes can be delivered this way

All native changes will need to go through the traditional `publish-beta` workflow, which is now run manually

.github/workflows/publish-beta.yml

@@ -1,8 +1,7 @@
 name: Publish Android APK and TestFlight Betas
 on:
-  push:
-    branches:
-      - 'main'
+  workflow_dispatch:
+    
 jobs:
   publish-beta:
     runs-on: macos-15

.github/workflows/publish-ota-update.yml

@@ -0,0 +1,27 @@
+name: Publish Over-the-Air Update
+on:
+  push:
+    branches:
+      - 'main'
+jobs:
+  publish-ota-update:
+    runs-on: macos-15
+    steps:
+      - name: 🛒 Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.SIGNING_REPO_PAT }}
+
+      - name: 🖥 Setup Node 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: 🧵 Run yarn 
+        run: yarn 
+    
+      - name: 🤖 Publish Android Update
+        run: yarn sendOTA:android
+
+      - name: 🍎 Publish iOS Update
+        run: yarn sendOTA:iOS