Bump shapely from 1.6.4.post2 to 1.7.0 in /cvat/requirements

[dependabot-preview]

Bumps shapely from 1.6.4.post2 to 1.7.0.

Changelog

Sourced from shapely's changelog.

1.7.0 (2020-01-28)

This is the final 1.7.0 release. There have been no changes since 1.7b1.

1.7b1 (2020-01-13)

First beta release.

1.7a3 (2019-12-31)

New features:

• The buffer operation can now be single-sides (#806, #727).

Bug fixes:

• Add /usr/local/lib to the list of directories to be searched for the GEOS shared library (#795).
• ops.substring now returns a line with coords in end-to-front order when given a start position that is greater than the end position (#628).
• Implement __bool__() for geometry base classes so that bool(geom) returns the logical complement of geom.is_empty (#754).
• Remove assertion on the number of version-like strings found in the GEOS version string. It could be 2 or 3.

1.7a2 (2019-06-21)

• Nearest neighbor search has been added to STRtree (#668).
• Disallow sequences of MultiPolygons as arguments to the MultiPolygon constructor, resolving #588.
• Removed vendorized functools functions previously used to support Python 2.5.

Bug fixes:

• Avoid reloading the GEOS shared library when using an installed binary wheel on OS X (#735), resolving issue #553.
• The shapely.ops.orient function can now orient multi polygons and geometry collections as well as polygons (#733).
• Polygons can now be constructed from sequences of point objects as well as sequences of x, y sequences (#732).
• The exterior of an empty polygon is now equal to an empty linear ring (#731).
• The bounds property of an empty point object now returns an empty tuple, consistent with other geometry types (#723).
• Segmentation faults when non-string values are passed to the WKT loader are avoided by #700.

... (truncated)

Commits

• 4ab9844 Set version to 1.7.0 (#822)
• 72e11ed Revise AppVeyor setup for Windows (#819)
• 10d6ea9 Bump version, update change log
• 90b66dc Address logging DeprecationWarning
• 5381e7a Update 1.7a3 release date
• cf75850 added homebrew path for supports QGIS3 for macOS (#795)
• 6115fe9 Note #628
• fb0932d Add test to verify fix in issue682
• e40af57 Fix misorderded points in substrings (#682)
• d246474 Change ValueError to TopologicalError and remove invalid test
• Additional commits viewable in compare view

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[coveralls]

Pull Request Test Coverage Report for Build 5714

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage remained the same at 65.78%

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Files with Coverage Reduction	New Missed Lines	%
cvat/apps/engine/media_extractors.py	2	77.06%

Totals
Change from base Build 5702:	0.0%
Covered Lines:	10918
Relevant Lines:	16203

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💛 - Coveralls