fix InstalledVersionNum for windows build #6215

Job	Run time
launcher (ubuntu-20.04)	4m 33s
package_builder (ubuntu-20.04)	1m 20s
launcher (macos-13)	8m 39s
package_builder (macos-13)	1m 15s
package_builder (windows-latest)	2m 54s
launcher (windows-latest)	7m 22s
Version Baseline	3s
Exec Test (ubuntu-20.04)	5s
Exec Test (ubuntu-22.04)	7s
Exec Test (macos-13)	27s
Exec Test (macos-14)	36s
Exec Test (macos-15)	46s
Exec Test (windows-2019)	13s
Exec Test (windows-2022)	15s
ci_mergeable	1s
Store Artifacts (linux)	11s
Store Artifacts (macos)	11s
Store Artifacts (windows)	6s
	29m 4s

Provide feedback