Bump dependabot-omnibus from 0.115.0 to 0.122.0

Bumps dependabot-omnibus from 0.115.0 to 0.122.0.

Changelog

Sourced from dependabot-omnibus's changelog.

v0.122.0, 7 October 2020

• Add experimental support for go mod vendor
• Enable code coverage reporting of dependabot-core

v0.121.1, 7 October 2020

• Configure git when creating a temp repo for gomod updates
• Bump jest from 26.5.0 to 26.5.2 in /npm_and_yarn/helpers
• Bump poetry from 1.1.1 to 1.1.2 in /python/helpers
• Refactor: reusable VendorDependencies object

v0.121.0, 6 October 2020

• Add experimental support for go mod tidy

v0.120.5, 6 October 2020

• Allow requirements.txt files of up to 200kb
• Bump poetry from 1.0.10 to 1.1.1 in /python/helpers
• Bump jest from 26.4.2 to 26.5.0 in /npm_and_yarn/helpers
• Reduce docker image size (@​wreulicke)
• Bump phpstan/phpstan from 0.12.47 to 0.12.48 in /composer/helpers
• Update rubocop requirement from ~> 0.91.0 to ~> 0.92.0 in /common
• Adds python 3.7.9. (@​jeremiq)

v0.120.4, 1 October 2020

• Go: Bump golang to v1.15.2
• Bump phpstan/phpstan from 0.12.45 to 0.12.47 in /composer/helpers
• Upgrade Python to 3.8.6 (@​ulgens)
• Handle empty pipfile requirement string
• Teach FileFetcher to fetch from disk if local repository clone is present
• Bundler: refactor DependencySource from LatestVersionFinder

v0.120.3, 28 September 2020

• Fix uninitialized constant error (Dependabot::VERSION) when using SharedHelpers
• Fix SharedHelpers.excon_defaults when passing in extra headers
• Bump phpstan/phpstan from 0.12.44 to 0.12.45 in /composer/helpers
• Bump eslint from 7.9.0 to 7.10.0 in /npm_and_yarn/helpers

v0.120.2, 25 September 2020

• Add trailing slash to pypi.org index requests
• Add a default User-Agent header to excon requests
• Bump phpstan/phpstan from 0.12.43 to 0.12.44 in /composer/helpers

v0.120.1, 25 September 2020

... (truncated)

Commits

• 2764fa4 Merge pull request #2613 from dependabot/v0.122.0-release-notes
• 3a29db6 v0.122.0
• 50e2c0c Merge pull request #2596 from dependabot/jurre/go-vendor
• e452572 go_mod_vendor option in tests
• a94e32d Merge pull request #2576 from dependabot/brrygrdn/enable-simplecov-reports
• 0fb214e Apply suggestions from code review
• 0cfaafa Check for presence of vendor/modules.txt when vendoring
• cd6ae39 Set the CI envvar when we run docker
• 680ef93 Only summarize coverage reports in CI
• 9d585be Lower branch coverage for failing components
• Additional commits viewable in compare view