Add OpenSSF Baseline compliance files

[mlieberman85]

Summary

This PR adds files and configurations required for OpenSSF Baseline compliance.

Changes

• CODEOWNERS - Defines code ownership for @mlieberman85, @pxp928, @funnelfiasco
• MAINTAINERS.md - Documents project maintainer roles and responsibilities
• GOVERNANCE.md - Establishes project governance model
• SUPPORT.md - Provides support channels and resources
• Bug report template - Standardized issue template for bug reports
• SECURITY.md - Updated with VEX policy section
• dependabot.yml - Updated dependency scanning configuration
• DCO enforcement - Developer Certificate of Origin configuration

Controls Addressed

Control	Description
OSPS-GV-01.01	Governance documentation
OSPS-GV-01.02	Maintainer documentation
OSPS-GV-04.01	Code ownership
OSPS-DO-02.01	Issue templates
OSPS-DO-03.01	Support documentation
OSPS-VM-04.02	VEX policy
OSPS-VM-05.01/02/03	Dependency scanning

Test Plan

• Verify CODEOWNERS triggers correct reviewers
• Verify issue template appears when creating bugs
• Re-run OpenSSF Baseline audit to confirm compliance

🤖 Generated with Claude Code