Update swift.yml

Author: kewlbear

.github/workflows/swift.yml

@@ -50,4 +50,4 @@ jobs:
       with:
         add: 'Package.swift'
         message: "add ${{ steps.pod.outputs.version }}"
-        tag: "${{ steps.pod.outputs.version }}"
+        tag: "${{ steps.pod.outputs.version }} --force"