chore(ci): bump prefix-dev/rattler-build-action from 0.2.18 to 0.2.19

Bumps [prefix-dev/rattler-build-action](https://github.com/prefix-dev/rattler-build-action) from 0.2.18 to 0.2.19.
- [Release notes](https://github.com/prefix-dev/rattler-build-action/releases)
- [Commits](prefix-dev/rattler-build-action@v0.2.18...v0.2.19)

---
updated-dependencies:
- dependency-name: prefix-dev/rattler-build-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/cpp-test.yml

@@ -68,7 +68,7 @@ jobs:
       - name: Checkout source code
         uses: actions/checkout@v4
       - name: Build conda package
-        uses: prefix-dev/rattler-build-action@v0.2.18
+        uses: prefix-dev/rattler-build-action@v0.2.19
         with:
           recipe-path: recipe/recipe.yaml
           # needs to be unique for each matrix entry