Bump dependabot-omnibus from 0.107.45 to 0.108.3

Bumps dependabot-omnibus from 0.107.45 to 0.108.3.

Changelog

Sourced from dependabot-omnibus's changelog.

v0.108.3, 6 June 2019

• Better error for debugging repeated branch creation failure
• Bump js-yaml from 3.13.0 to 3.13.1 in /npm_and_yarn/helpers
• Composer: Retry more transitory failure classes in LockfileUpdater

v0.108.2, 5 June 2019

• Python: Handle flags in requirement file, and fetch constraints files better
• Scope reference creation failure retries to a tigher error, and retry more
• JS: Bump handlebars from 4.1.0 to 4.1.2 in /npm_and_yarn/helpers
• Handle git URL that separate with :/
• Ruby: Call uniq on unreachable git URIs

v0.108.1, 5 June 2019

• Python: Handle files that can't be encoded to UTF-8
• Improve file encoding in changelog fetching

v0.108.0, 5 June 2019

• Pass signoff_details to MessageBuilder, not author_details
• Put emoji tighter together when prefixing with multiple

v0.107.48, 4 June 2019

• Better mention sanitizing (handle codeblocks)

v0.107.47, 4 June 2019

• JS: Handle creds used by multiple scopes in npmrc builder
• .NET: Handle v2 responses which don't specify a base
• Add libgeos-dev to Dockerfile

v0.107.46, 4 June 2019

• Python: Sanitize poetry files before adding more details
• JS: Handle npmrc files with carriage returns in them

Commits

• 8143c9f v0.108.3
• a686d13 Better error for debugging repeated branch creation failure
• 2eadc85 Merge pull request #1188 from dependabot/dependabot/npm_and_yarn/npm_and_yarn...
• 7bad65d Bump js-yaml from 3.13.0 to 3.13.1 in /npm_and_yarn/helpers
• 4bb33ce Composer: Retry more transitory failure classes in LockfileUpdater
• 5d9c151 Fix rubocop
• ff0dd41 Update changelog
• 87b5f41 v0.108.2
• 37745a4 Python: Handle flags in requirement file, and fetch constraints files better
• 513a1df Scope reference creation failure retries to a tigher error, and retry more
• Additional commits viewable in compare view