[2.8] Port drone build tasks to gh workflows + actions

.github/actions/i18n-lint/action.yaml

@@ -0,0 +1,12 @@
+name: Run i18n Lint
+description: Run i18n Lint
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup env
+      uses: ./.github/actions/setup
+
+    - name: Run i18n linters
+      shell: bash
+      run: yarn lint-l10n

.github/actions/lint/action.yaml

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+name: Run Lint
+description: Run Lint
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup env
+      uses: ./.github/actions/setup
+
+    - name: Run linters
+      shell: bash
+      run: yarn lint

.github/actions/setup/action.yaml

@@ -0,0 +1,14 @@
+name: Setup UI Env
+description: Setup node, python and call bootstrap script
+
+runs:
+  using: 'composite'
+  steps:
+    - uses: actions/setup-node@v3
+      with:
+        node-version: '14.x'
+        cache: 'yarn'
+
+    - name: Install packages
+      shell: bash
+      run: yarn install:ci

.github/actions/unit-tests/action.yaml

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+name: Run Unit Tests
+description: Run Unit Tests
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup env
+      uses: ./.github/actions/setup
+
+    - name: Run tests
+      shell: bash
+      run: |
+        yarn test:ci
+        

.github/workflows/build-and-upload-branch.yaml

@@ -0,0 +1,21 @@
+name: Build Dashboard (Branch)
+on:
+  push:
+    branches:
+      - 'release-2.8*'
+      - '*-dev'
+
+jobs:
+  build-validation:
+    name: Build Test
+    uses: ./.github/workflows/build-test.yaml
+  build:
+    name: Build and Upload
+    uses: ./.github/workflows/build-and-upload.yaml
+    needs:
+      - build-validation
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+    with:
+      CI_BRANCH: ${{github.ref_name}}

.github/workflows/build-and-upload-release-2-8.yaml

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+name: Build Dashboard 2.8 (Release)
+on:
+  push:
+    tags:
+      - v2.8.*
+
+jobs:
+  build-validation:
+    name: Validate Code
+    uses: ./.github/workflows/build-test.yaml
+  build:
+    name: Build and Upload
+    uses: ./.github/workflows/build-and-upload.yaml
+    needs:
+      - build-validation
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+    with:
+      CI_BUILD_TAG: ${{github.ref_name}}