chore(renovate): update config to create team specific PRs

[kim-tsao]

Fixes: https://issues.redhat.com/browse/RHIDP-2190

• Added config to group PRs based on github teams (we will rely on CODEOWNERS to auto-assign based on touched files)
• Auto-merge enabled for minor DevDependencies and Test package updates
• team/<plugin-team> labels added for grouped PR except for Vulnerability alerts. The additionalBranchPrefix was creating multiple dup PRs (based on unique branch names). I had to reset this value to "" in the VulnerabilityAlerts rule in order to fix this, which means we can't label this. We will rely on CODEOWNERS to assign to the right team in this case. Since most security vulns affect the root yarn.lock file, they should be correctly assigned to the maintainers-plugins team (from CODEOWNERS file)

See test repo for results:
Dashboard
PRs

[openshift-ci]

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[sonarcloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud