fix: fixed CHANGELOG and auto-release pipeline (#88)

I messed up the release pipeline somehow and it's trying to release
1.4.0 again. Let's fix that.

bench: 20183015

CHANGELOG.md

@@ -1,26 +1,5 @@
 # Changelog
 
-## [1.4.0](https://github.com/dannyhammer/toad/compare/v1.3.0...v1.4.0) (2024-11-22)
-
-
-### Features
-
-* lmr, check extensions, tt cutoffs ([#85](https://github.com/dannyhammer/toad/issues/85)) ([8664bcf](https://github.com/dannyhammer/toad/commit/8664bcf77ed40696c5f26cf43790fe596c559d5a))
-* reverse futility pruning ([#82](https://github.com/dannyhammer/toad/issues/82)) ([85abda0](https://github.com/dannyhammer/toad/commit/85abda00317639e9ff77bc48da662954f8d80af5))
-
-
-### Bug Fixes
-
-* fixed README and bench ([9597319](https://github.com/dannyhammer/toad/commit/9597319a5731489cdf58c477ed8fd9b87a655f18))
-
-## [1.5.0](https://github.com/dannyhammer/toad/compare/v1.3.0...v1.5.0) (2024-11-21)
-
-
-### Features
-
-* lmr, check extensions, tt cutoffs ([#85](https://github.com/dannyhammer/toad/issues/85)) ([8664bcf](https://github.com/dannyhammer/toad/commit/8664bcf77ed40696c5f26cf43790fe596c559d5a))
-* reverse futility pruning ([#82](https://github.com/dannyhammer/toad/issues/82)) ([85abda0](https://github.com/dannyhammer/toad/commit/85abda00317639e9ff77bc48da662954f8d80af5))
-
 ## [1.4.0](https://github.com/dannyhammer/toad/compare/v1.3.0...v1.4.0) (2024-11-17)