Bump benjlevesque/short-sha from 3.0 to 4.0 (#311)

Author: jason-fox

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Calculate short SHA
-        uses: benjlevesque/short-sha@v3.0
+        uses: benjlevesque/short-sha@v4.0
         id: short-sha
         with:
           length: 7