Configure diagnostics (and MapLibre) using Pkl. (#3820)

* Bump the version for the next release.

* Ignore all generated sources.

* Use Pkl+XcodeGen to inject secrets instead of the project.

* Inject the PostHog/Sentry/Rageshake configuration from the environment.

* Fix bad unicode.

* Fix unit tests.

fastlane/Fastfile

@@ -408,14 +408,9 @@ private_lane :create_simulator_if_necessary do |options|
   end
 end
 
-private_lane :config_secrets do
-  maplibre_api_key = ENV["MAPLIBRE_API_KEY"]
-  UI.user_error!("Invalid Map Libre API key.") unless !maplibre_api_key.to_s.empty?
-
-  set_xcconfig_value(
-    path: './ElementX/SupportingFiles/secrets.xcconfig',
-    name: 'MAPLIBRE_API_KEY',
-    value: maplibre_api_key,
-    mask_value: true
-  )
+lane :config_secrets do
+  Dir.chdir "../Secrets" do
+    sh("pkl eval -f yaml -o secrets.yml Secrets.pkl")
+    sh("swiftgen run yaml -n inline-swift5 --param enumName=Secrets -o Secrets.swift secrets.yml")
+  end
 end

fastlane/README.md

@@ -101,6 +101,14 @@ For _fastlane_ installation instructions, see [Installing _fastlane_](https://do
 
 
 
+### config_secrets
+
+```sh
+[bundle exec] fastlane config_secrets
+```
+
+
+
 ----
 
 This README.md is auto-generated and will be re-generated every time [_fastlane_](https://fastlane.tools) is run.