Bump mapproxy from 1.8.0 to 1.11.1

[dependabot]

Bumps mapproxy from 1.8.0 to 1.11.1.

Changelog

Sourced from mapproxy's changelog.

1.11.1 2019-08-06

Fixes:


Fix Cross Site Scripting (XSS) issue in demo service. Fix for #322 did not
properly escaped input used in JavaScript examples. Found by Janek Vind.
A targeted attack could be used for information disclosure. For
example: Session cookies of a third party application running on
the same domain.


1.11.0 2017-11-20

Improvements:

• Improve reprojection performance and accuracy.
• ArcGIS compact cache: Support for version 2.
• ArcGIS compact cache: Improve performance for version 1.
• ArcGIS compact cache: Add mapproxy-util defrag to reduce bundle size after tiles were removed/updated.
• ArcGIS REST source: Support opts.map and seed_only.
• Use systems CA certs by default and fix ssl_no_cert_checks for Python >=2.7.9 and >=3.4
• WMS: Improve Bounding Boxes in Capabilities.
• Mapserver: Find mapserv binary in PATH environment.

Fixes:

• Seed: Always show last log line (100%).
• Fix saving transparent PNGs for some versions of Pillow (workaround for Pillow bug #2633)
• SQLite: Fix possible errors on first request after start.
• Demo: Fix demo client with use_grid_names.
• serve-develop: Fix header encoding for Python 3.
• Seed: Fix --interactive for Python 3.
• Support tagged layers for sources with colons in name.
• Support # character in Basis Authentication password.
• Fix import error with shapely>=1.6
• Fix duplicate level caches when using WMTS KVP with MBtile/SQLite/CouchDB.

Other:

• Remove support for Python 2.6

1.10.4 2017-08-17

</tr></table> 

... (truncated)

Commits

• 85b8770 release: prepare 1.11.1
• 436c8f4 demo: extend args escaping for javascript examples to avoid XSS
• ffa1d18 prepare 1.11.0 release
• 71ae82e convert tilematrix to integer for WMTS KVP requests (closes #315)
• ebeae16 Merge pull request #240 from tjay/patch-3
• 6282b8c Merge branch 'ramunasd-riak_python3'
• 440bc81 Merge branch 'riak_python3' of https://github.com/ramunasd/mapproxy into ramu...
• 07b65d2 Merge pull request #329 from zstadler/patch-1
• 454f6cd update CHANGES for upcomming release
• a3de0df test: update google root certificates for http client tests
• Additional commits viewable in compare view

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