[stubsabot] Bump fanstatic to 1.6.* (#14981)

Author: github-actions[bot]

stubs/fanstatic/METADATA.toml

@@ -1,3 +1,3 @@
-version = "1.5.*"
+version = "1.6.*"
 upstream_repository = "https://github.com/zopefoundation/fanstatic"
 requires = ["types-setuptools", "types-WebOb"]