Bump dependabot-omnibus from 0.111.15 to 0.111.18

Bumps dependabot-omnibus from 0.111.15 to 0.111.18.

Changelog

Sourced from dependabot-omnibus's changelog.

v0.111.18, 19 July 2019

• Properly catch pandoc timeouts

v0.111.17, 19 July 2019

• Catch pandoc timeouts

v0.111.16, 19 July 2019

• Time out calls to pandoc after 10 seconds
• Python: Bump pip-tools from 3.8.0 to 3.9.0 in /python/helpers

Commits

• 7737d38 v0.111.18
• a07955a Properly catch pandoc timeouts
• 51c38b6 v0.111.17
• e3b45c0 Catch pandoc timeouts
• c82ca8b v0.111.16
• c917b54 Time out calls to pandoc after 10 seconds
• 9a0383a Merge pull request #1268 from dependabot/dependabot/pip/python/helpers/pip-to...
• d8808ee Bump pip-tools from 3.8.0 to 3.9.0 in /python/helpers
• See full diff in compare view