Move osquery instance creation and launch into osqueryinstance.go #6038

Job	Run time
package_builder (ubuntu-20.04)	1m 3s
launcher (ubuntu-20.04)	4m 44s
package_builder (macos-13)	1m 6s
launcher (macos-13)	5m 50s
package_builder (windows-latest)	5m 6s
launcher (windows-latest)	10m 54s
Version Baseline	3s
Exec Test (ubuntu-20.04)	6s
Exec Test (ubuntu-22.04)	6s
Exec Test (macos-13)	20s
Exec Test (macos-14)	28s
Exec Test (macos-15)	30s
Exec Test (windows-2019)	17s
Exec Test (windows-2022)	16s
Store Artifacts (linux)	6s
Store Artifacts (macos)	17s
ci_mergeable	1s
Store Artifacts (windows)	6s
	31m 19s

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