chore(release): v1.13.0

Release v1.13.0 (timecc608 caption modes, paint-on by default).

- internal/version.go: v1.12.0 -> v1.13.0, commitDate -> 2026-08-11
- CHANGELOG.md: move the Unreleased entries (timecc608 mode field, paint-on default,
  ISO 639-2 language requirement, pop-on timing fix) to [1.13.0] - 2026-08-11,
  reset Unreleased, and update the compare/tag links

Author: tobbee

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Nothing yet
+
+## [1.13.0] - 2026-08-11
+
 ### Added
 
 - Optional mode field on `timecc608`, whose value is now `<channel>-<lang>[-<mode>[-<modifier>]]`, choosing
@@ -523,7 +527,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - features and URLs listed at livesim2 root page
 - configurable generated stpp subtitles with timing info
 
-[Unreleased]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.12.0...HEAD
+[Unreleased]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.13.0...HEAD
+[1.13.0]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.12.0...v1.13.0
 [1.12.0]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.11.0...v1.12.0
 [1.11.0]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.10.0...v1.11.0
 [1.10.0]: https://github.com/Dash-Industry-Forum/livesim2/compare/v1.9.0...v1.10.0

internal/version.go

@@ -12,8 +12,8 @@ import (
 )
 
 var (
-	commitVersion string = "v1.12.0"    // Should be updated during build
-	commitDate    string = "1784757600" // commitDate in Epoch seconds (can be filled/updated in during build)
+	commitVersion string = "v1.13.0"    // Should be updated during build
+	commitDate    string = "1786399200" // commitDate in Epoch seconds (can be filled/updated in during build)
 )
 
 // GetVersion - get version, commitHash and  commitDate depending on what is inserted