Ensure weak linking check runs on PR and nightly builds.

Co-authored-by: AJ Schmidt <ajschmidt8@users.noreply.github.com>

.github/workflows/build.yaml

@@ -39,7 +39,7 @@ jobs:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-post-build-checks.yaml@conda-cpp-post-build-checks
     with:
-      build_type: nightly
+      build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}