FEDX-1590: Implemented gha-dart-oss

.github/dependabot.yml

@@ -0,0 +1,19 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    groups:
+      gha:
+        patterns: ["*"]
+
+  - package-ecosystem: pub
+    directory: /
+    schedule:
+      interval: weekly
+    groups:
+      major:
+        update-types: ["major"]
+      minor:
+        update-types: ["minor", "patch"]

.github/workflows/ci.yaml

@@ -0,0 +1,19 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - 'master'
+
+permissions:
+  pull-requests: write
+  contents: write
+  id-token: write
+
+jobs:
+  build:
+    uses: Workiva/gha-dart-oss/.github/workflows/[email protected]
+
+  test-unit:
+    uses: Workiva/gha-dart-oss/.github/workflows/[email protected]

.github/workflows/publish.yaml

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+name: Publish
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+permissions:
+  contents: write
+  id-token: write
+  pull-requests: write
+
+jobs:
+  publish:
+    uses: Workiva/gha-dart-oss/.github/workflows/[email protected]