ci: jsr registry test

.github/workflows/test.yml

@@ -169,3 +169,36 @@ jobs:
         id: run_bun
         run: |
           bun --version
+
+  setup-bun-jsr-registry:
+    name: setup-bun jsr registry (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    needs: [remove-cache, tests]
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: ./
+        id: setup_bun
+        with:
+          registries: |
+            [
+              {
+                "url": "https://npm.jsr.io"
+                "scope": "@jsr"
+              }
+            ]
+
+      - name: Run Bun
+        id: run_bun
+        run: |
+          bun add @luca/runtime-detector