Maintenance: Update dependency activerecord-import to v1.5.0

Gemfile.lock

@@ -70,7 +70,7 @@ GEM
     activerecord (6.1.7.4)
       activemodel (= 6.1.7.4)
       activesupport (= 6.1.7.4)
-    activerecord-import (1.4.1)
+    activerecord-import (1.5.0)
       activerecord (>= 4.2)
     activerecord-nulldb-adapter (0.9.0)
       activerecord (>= 5.2.0, < 7.1)