chore(deps): update dependency ex_doc to ~> 0.34

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ex_doc	minor	~> 0.30 -> ~> 0.34

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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[coveralls]

Pull Request Test Coverage Report for Build d530fcb1c0406847c1389f9a2a0cd6776121ca48

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 55.042%

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Totals
Change from base Build cd5a3e39c155631c70764dd1b25cf31fc8ef0d25:	0.0%
Covered Lines:	3324
Relevant Lines:	6039

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💛 - Coveralls