Validate scala-steward configuration

.github/workflows/ci.yml

@@ -267,3 +267,28 @@ jobs:
  with:
  modules-ignore: diffsonjvm_2.12 diffsonjvm_2.13 diffsonjvm_3 diffsonjs_2.12 diffsonjs_2.13 diffsonjs_3 diffson-benchmarks_2.12 diffson-benchmarks_2.13 diffson-benchmarks_3 diffsonnative_2.12 diffsonnative_2.13 diffsonnative_3
  configs-ignore: test scala-tool scala-doc-tool test-internal
+
+ validate-steward:
+ name: Validate Steward Config
+ strategy:
+ matrix:
+ os: [ubuntu-latest]
+ java: [temurin@11]
+ runs-on: ${{ matrix.os }}
+ steps:
+ - name: Checkout current branch (fast)
+ uses: actions/checkout@v4
+
+ - name: Setup Java (temurin@11)
+ id: setup-java-temurin-11
+ if: matrix.java == 'temurin@11'
+ uses: actions/setup-java@v4
+ with:
+ distribution: temurin
+ java-version: 11
+
+ - uses: coursier/setup-action@v1
+ with:
+ apps: scala-steward
+
+ - run: scala-steward validate-repo-config .scala-steward.conf