Try using latest rattler-build version.

Author: lohedges

.github/workflows/pr.yaml

@@ -54,8 +54,8 @@ jobs:
       - name: Install rattler-build
         uses: prefix-dev/rattler-build-action@v0.2.34
         with:
-          tool-version: latest
-          build-args: --help
+          rattler-build-version: 0.57
+          build-args: --version
       #
       - name: Write Python variant config
         shell: bash