Build source distribution for pypi

[frebib]

Certain packaging options require the source distribution specifically
to be available on pypi and cannot use the binary distribution.

Signed-off-by: Joe Groocock jgroocock@cloudflare.com

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Building with fpm fails because it requires a source distribution. Having this would mean I don't have reinvent the wheel and build a package from source: https://github.com/jordansissel/fpm/blob/788170598572ab2a9cb4d844575e3a9dab2ab467/lib/fpm/package/python.rb#L153

[coveralls]

Pull Request Test Coverage Report for Build 2556548064

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 88.889%

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Totals
Change from base Build 2458360175:	0.0%
Covered Lines:	31
Relevant Lines:	34

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💛 - Coveralls