Merge pull request #60 from pkasting/master

Fix an instance of -Wunused-but-set-variable.

.github/workflows/main.yml

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 74e463a..ee8e8e0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -83,7 +83,7 @@
 
     - name: Install cibuildwheel
       run: |
-          python -m pip install cibuildwheel==1.5.5 auditwheel delocate
+          python -m pip install cibuildwheel>=1.5.5 auditwheel delocate
 
     - name: Build
       env: