Bump dependabot-core from v0.75.119 to v0.75.121

Bumps dependabot-core from v0.75.119 to v0.75.121.

Changelog

Sourced from dependabot-core's changelog.

v0.75.121, 4 December 2018

• Java: Handle null values in version strings

v0.75.120, 2 December 2018

• JS: Handle missing _npmUser details

Commits

• cc4d9ac v0.75.121
• c8a6110 Java: Handle null values in version strings
• 0f3801f Bump nock from 10.0.2 to 10.0.3 in /helpers/npm
• 04ab091 Bump nock from 10.0.2 to 10.0.3 in /helpers/yarn
• 50db534 Bump docker image in CI
• 67b104e Make go install available to non-root users
• 7037fa0 v0.75.120
• 240904d JS: Handle missing _npmUser details
• See full diff in compare view