ci: default to bash shell

Firestar99 · Firestar99 · commit ab23277260f6 · 2025-06-16T13:23:45.000+02:00
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -222,3 +222,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: EmbarkStudios/cargo-deny-action@v2
+
+defaults:
+  run:
+    shell: bash
