runtime and agent test improvements #6383

Job	Run time
launcher (ubuntu-20.04)	1m 53s
package_builder (ubuntu-20.04)	55s
launcher (macos-13)	3m 32s
package_builder (macos-13)	1m 13s
launcher (windows-latest)	2m 31s
package_builder (windows-latest)	1m 32s
Version Baseline	2s
test (ubuntu-20.04)	2m 22s
test (macos-13)	5m 57s
test (windows-latest)	7m 32s
Exec Test (ubuntu-20.04)	5s
Exec Test (ubuntu-22.04)	5s
Exec Test (macos-13)	21s
Exec Test (macos-14)	31s
Exec Test (macos-15)	35s
Exec Test (windows-2019)	22s
Exec Test (windows-2022)	16s
Store Artifacts (linux)	8s
Store Artifacts (macos)	16s
Store Artifacts (windows)	10s
ci_mergeable	1s
	30m 19s

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