feat(RDGRS-662): restore test CI and dependabot

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+on: [push, pull_request]
+name: CI
+jobs:
+  # ================
+  # TEST JOB
+  #   runs on every push and PR
+  #   runs 2x3 times (see matrix)
+  # ================
+  test:
+    name: Test
+    strategy:
+      matrix:
+        go-version: [1.21.x]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Build
+        run: go build -v -o /dev/null .
+      - name: Test
+        run: go test -v ./...

.github/workflows/dependabot.yml

@@ -0,0 +1,13 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+
+# Dependencies listed in go.mod
+  - package-ecosystem: "gomod"
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "monthly"