dep: bump dependabot/dependabot-core from 0.126.1 to 0.129.0
requested to merge dependabot-docker-dependabot-dependabot-core-0.129.0 into dependabot-bundler-dependabot-omnibus-0.129.0
Bumps dependabot/dependabot-core from 0.126.1 to 0.129.0.