Bootstrap v5 to v6 Migration

Workflow

Work through each step in order. After each step, search the codebase for remaining v5 patterns before moving on.

• Step 1: Update dependencies and build setup
• Step 2: Rename CSS classes and data attributes
• Step 3: Restructure component HTML
• Step 4: Update JavaScript
• Step 5: Update Sass
• Step 6: Verify

Step 1: Dependencies & Build