👷 Adds publish workflow (#648)

Author: AlexV525

.github/workflows/publish.yml

@@ -0,0 +1,29 @@
+name: Publish to pub.dev
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+  workflow_dispatch:
+
+jobs:
+  publish-core:
+    permissions:
+      id-token: write
+    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
+    with:
+      working-directory: packages/core
+
+  publish-command:
+    permissions:
+      id-token: write
+    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
+    with:
+      working-directory: packages/command
+
+  publish-runner:
+    permissions:
+      id-token: write
+    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
+    with:
+      working-directory: packages/runner