Reverting SHA hash name as even though it extracts as hwp-previews, WP install has issues with extracting it.

Author: colinmurphy

.github/actions/create-plugin-artifact/action.yml

@@ -24,5 +24,5 @@ runs:
     - name: Upload plugin artifact
       uses: actions/upload-artifact@v4
       with:
-        name: ${{ inputs.slug }}-${{ github.sha }}
+        name: ${{ inputs.slug }}
         path: plugins/${{ inputs.slug }}/plugin-build/*.zip