v1.19.0: KataGo v1.17.1, transformer model, dependency refresh (#832)

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

katrain/core/constants.py

@@ -1,7 +1,7 @@
 PROGRAM_NAME = "KaTrain"
-VERSION = "1.18.1"
+VERSION = "1.19.0"
 HOMEPAGE = "https://github.com/sanderland/katrain"
-CONFIG_MIN_VERSION = "1.17.0"  # keep config files from this version
+CONFIG_MIN_VERSION = "1.19.0"  # keep config files from this version, keep in sync with version in config.json
 ANALYSIS_FORMAT_VERSION = "1.0"
 DATA_FOLDER = "~/.katrain"