add shell: bash to attestations step to fix glob expansion on Windows

PowerShell does not expand ./wheelhouse/* globs, causing pypi_attestations
sign to receive a literal asterisk and fail. Explicit bash shell ensures
glob expansion works on all platforms.

Change-Id: I98a2785e5e5ac3cd54db361f990fba32fa819ca5

diff --git a/.github/workflows/create-wheels.yaml b/.github/workflows/create-wheels.yaml
index a0ff4ed0e10adff2f8562b61f8495f83cef9e591..0be63931d03e364eda851e03d5924d50deda2c8a 100644 (file)
--- a/.github/workflows/create-wheels.yaml
+++ b/.github/workflows/create-wheels.yaml
@@ -130,6 +130,7 @@ jobs:
       - name: Generate attestations
         id: attestations
         continue-on-error: true
+        shell: bash
         run: |
           pip install pypi-attestations
           python -m pypi_attestations sign ./wheelhouse/*