fixup! ci

Author: toshimaru

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
         run: |
           cd rails && git fetch --depth=2 origin \
             refs/tags/v8*:refs/tags/v8* \
-            refs/tags/v8*:refs/tags/v7* \
+            refs/tags/v7*:refs/tags/v7* \
             refs/tags/v6*:refs/tags/v6* \
             refs/tags/v5.2*:refs/tags/v5.2*
       - uses: ruby/setup-ruby@v1