When WordPress version changes (e.g., 6.9.3 → 6.9.4), Chart.yaml should use
the new WordPress version WITHOUT any suffix.
Suffix (-a, -b, etc.) is only used for multiple releases within the SAME
WordPress version when non-WordPress changes occur.
Changes:
- Simplify Increment chart version step to directly use new WordPress version
- Remove complex suffix handling logic (only needed for non-WordPress updates)
- Extract WordPress version from values.yaml and apply as Chart version
Examples:
- 6.9.3-a + WordPress update → 6.9.4 (no suffix)
- 6.9.4 + Nginx update → 6.9.4-a (suffix added for non-WordPress changes)
- 6.9.4-a + Nginx update → 6.9.4-b (suffix incremented)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>