Bump vendor/dependabot-script from `80d3939` to `c4e0cef`

Bumps vendor/dependabot-script from 80d3939 to c4e0cef.

Commits

• c4e0cef Merge pull request #204 from dependabot/dependabot/bundler/dependabot-omnibus...
• 26b9d35 Bump dependabot-omnibus from 0.94.8 to 0.94.10
• b36aab7 Update Ruby to 2.6.1
• 93314c3 Merge pull request #203 from dependabot/dependabot/bundler/dependabot-omnibus...
• 695bc2c Bump dependabot-omnibus from 0.94.7 to 0.94.8
• dece638 Merge pull request #202 from dependabot/dependabot/bundler/dependabot-omnibus...
• 61c601a Bump dependabot-omnibus from 0.93.16 to 0.94.7
• 998baf5 Merge pull request #201 from dependabot/dependabot/bundler/dependabot-omnibus...
• 96f2039 Bump dependabot-omnibus from 0.93.13 to 0.93.16
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