feat(mobile): replace Sentry with Firebase Crashlytics

Migrate error tracking from Sentry to Firebase Crashlytics.
Bump version to 1.0.4, add Discord notification triggers.

apps/mobile/ios/Sauci/Info.plist

@@ -21,7 +21,7 @@
     <key>CFBundlePackageType</key>
     <string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.0.3</string>
+    <string>1.0.4</string>
     <key>CFBundleSignature</key>
     <string>????</string>
     <key>CFBundleURLTypes</key>
@@ -47,7 +47,9 @@
       </dict>
     </array>
     <key>CFBundleVersion</key>
-    <string>33</string>
+    <string>35</string>
+    <key>GOOGLE_ANALYTICS_INAPURCHASE_COLLECTION_ENABLED</key>
+    <false/>
     <key>LSMinimumSystemVersion</key>
     <string>12.0</string>
     <key>LSRequiresIPhoneOS</key>