Add "preview build" support to Bitrise (#5807)

The Bitrise workflows for QA builds and e2e tests now support using
"preview builds" from the core monorepo [1]. The release builds still
won't work with preview builds, which should ensure we don't
accidentally include a preview build in a release.

[1]: https://github.com/MetaMask/core/blob/main/docs/contributing.md#using-packages-in-other-projects-during-developmenttesting

bitrise.yml

@@ -28,6 +28,18 @@ workflows:
           inputs:
             - command: audit:ci
           title: Audit Dependencies
+  code_setup_dev:
+    before_run:
+      - setup
+    steps:
+      - script@1:
+          title: Generate `.npmrc` file for preview builds
+          inputs:
+            - content: |
+                #!/bin/bash
+                printf '%s\n\n%s' '@metamask:registry=https://npm.pkg.github.com' "//npm.pkg.github.com/:_authToken=${PACKAGE_READ_TOKEN}" > .npmrc
+    after_run:
+      - code_setup
 
   # Notifications utility workflows
   # Provides values for commit or branch message and path depending on commit env setup initialised or not
@@ -141,7 +153,7 @@ workflows:
           title: Detox - Install CLI
   android_e2e_test:
     before_run:
-      - code_setup
+      - code_setup_dev
       - e2e_setup
     after_run:
       - _e2e_notify_on_slack
@@ -168,7 +180,7 @@ workflows:
           is_always_run: false
   ios_e2e_test:
     before_run:
-      - code_setup
+      - code_setup_dev
       - e2e_setup
     after_run:
       - _e2e_notify_on_slack
@@ -257,7 +269,7 @@ workflows:
           is_always_run: false
   create_qa_builds:
     before_run:
-      - code_setup
+      - code_setup_dev
     steps:
       - build-router-start@0:
           inputs:
@@ -331,7 +343,7 @@ workflows:
           title: Bitrise Deploy Sourcemaps
   build_android_qa:
     before_run:
-      - code_setup
+      - code_setup_dev
     after_run:
       - _upload_apk_to_browserstack
       - _build_failure_notify_on_slack
@@ -510,7 +522,7 @@ workflows:
           title: Deploy Source Map
   build_ios_qa:
     before_run:
-      - code_setup
+      - code_setup_dev
     after_run:
       - _build_failure_notify_on_slack
     steps: