there is no 1.3 but 1.3.0
MODIFY
src/BaselineOfPharoLauncher/BaselineOfPharoLauncher.class.st
src/BaselineOfPharoLauncher/BaselineOfPharoLauncher.class.st
@@ -15,7 +15,7 @@ BaselineOfPharoLauncher >> baseline: spec [
baseline: #Spec2
with: [ spec repository: 'github://pharo-spec/Spec:spec-pharo-launcher/src' ];
baseline: #OSSubprocess
- with: [ spec repository: 'github://pharo-contributions/OSSubprocess:v1.3' ];
+ with: [ spec repository: 'github://pharo-contributions/OSSubprocess:v1.3.0' ];
baseline: #OSWinSubprocess
with: [ spec repository: 'github://pharo-contributions/OSWinSubprocess:v1' ];
baseline: #XMLParser

there is no 1.3 but 1.3.0