build(dev-build): add GitHub actions for dev builds

.github/workflows/dev-build.yml

@@ -0,0 +1,18 @@
+name: 'Ionic Dev Build'
+
+on:
+  workflow_dispatch:
+
+jobs:
+  dev-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 15.x
+      - name: Create Dev Build
+        run: npm run release.dev -- --skip-prompt
+        shell: bash
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.scripts/release-dev.js

@@ -57,6 +57,11 @@ async function main() {
 }
 
 async function askDevVersion(devVersion) {
+  const skipPrompt = process.argv.find(arg => arg === '--skip-prompt');
+  if (skipPrompt) {
+    console.log(`\n--skip-prompt was passed. Skipping dev build prompt.`)
+    return true;
+  }
 
   const prompts = [
     {