feat(github-actions): Add pub.dev publishing workflow

.github/workflows/build.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches: ["main"]
   pull_request:
-    branches: ["main"]
+    branches: ["main", "feature/*"]
   workflow_dispatch:
 
 jobs:
@@ -18,8 +18,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
-      - uses: dart-lang/setup-dart@v1.6.1
+      - uses: dart-lang/setup-dart@v1.6.2
         with:
           sdk: ${{ matrix.channel }}
 

.github/workflows/publish.yaml

@@ -0,0 +1,16 @@
+name: Publish to pub.dev
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+*' # for tags like: '1.2.3'
+
+jobs:
+  publish:
+    permissions:
+      id-token: write # Required for authentication using OIDC
+    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
+    with:
+      # Specify the github actions deployment environment
+      environment: pub.dev
+      # working-directory: path/to/package/within/repository