[stubsabot] Bump fanstatic to 1.6.*

Release: https://pypi.org/pypi/fanstatic/1.6
Homepage: https://www.fanstatic.org
Repository: https://github.com/zopefoundation/fanstatic
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/fanstatic
Diff: zopefoundation/fanstatic@1.5...1.6

Stubsabot analysis of the diff between the two releases:
 - Total lines of Python code added: 3.
 - Total lines of Python code deleted: 6.

If stubtest fails for this PR:
- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

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Author: stubsabot

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"]