Pivot Release for Core Signing Cert change (macOS) (#2453)

* Upgrade Electron to 8, bump Node version, fix font-manager

* Specify nodeIntegration as true

* Get <webview> working again

* Get <webview> working again

* Electron 9.0

* Escape parens in plugin install exec path (newer Electron added them)

* Bump versions for first alpha

* Electron 9.1

* Convert all Electron APIs that switched from callback to Promise

* Fix send-and-download feature

* Remove user-agent override hack for OAuth 2 login window

* Bump alpha version

* Fix issue regarding chokidar

* Add package-lock.json

* Upgrade chokidar because @babel/cli uses an older incompatible version of fsevents

* Fix source maps

* Read .nvmrc in GitHub actions

* Address remaining PR feedback

* Use Designer release env for Core

* Bump version

* Add signing requirements for new cert (attempt #1)

* Fix config

* Fix release script

* Fix whitelist cert

* Try updating cert checksum again

* Remove darkModeSupport option

* Revert version bump

packages/insomnia-app/app/static/signing-requirements.txt

@@ -0,0 +1 @@
+designated => certificate leaf = H"8a3a2a7038d62e18916cf6f5752bb292f289b213" or anchor apple generic and certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = "7PU3P6ELJ8"

packages/insomnia-app/config/electronbuilder.core.json

@@ -32,6 +32,7 @@
     "hardenedRuntime": true,
     "category": "public.app-category.developer-tools",
     "entitlements": "./build/static/entitlements.mac.inherit.plist",
+    "requirements": "./build/static/signing-requirements.txt",
     "artifactName": "__BINARY_PREFIX__-${version}.${ext}",
     "target": [
       "dmg",