chore: validate all supported goarchs

.github/workflows/artifacts.yml

@@ -0,0 +1,37 @@
+on:
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+      - 'CONTRIBUTING.md'
+      - 'COPYING'
+      - 'docs/**'
+      - '.github/*.md'
+      - '.github/FUNDING.yml'
+
+name: Build Code
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        goarch: [amd64]
+        include:
+        - os: ubuntu-latest
+          goarch: arm
+        - os: windows-latest
+          goarch: 386
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        working-directory: ${{ github.workspace }}/src
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Build
+      run: go build
+      env:
+        GOARCH: ${{ matrix.goarch }}

.github/workflows/code.yml

@@ -14,10 +14,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        include:
-        - os: ubuntu-latest
-        - os: macos-latest
-        - os: windows-latest
     runs-on: ${{ matrix.os }}
     defaults:
       run: