v2026.5.11141010

Changes:

• #1006: Bump version to 2026.5.0-dev
• #1005: Fix line endings in stable pipeline YAML
• #1004: Add manual validation stage to stable release pipeline
• #1003: Switch stable pipeline trigger to release branches only
• #1002: Narrow stable pipeline tag trigger to v* pattern
• #1001: Bump version to 2026.4.0
• #1000: Add release agent instructions

This list of changes was auto generated.