Add a graph search with state & custom path state problem #19

Job	Run time
Compile and Test CodeQL Packs (csharp)	2m 38s
Compile and Test CodeQL Packs (cpp)	1m 54s
Compile and Test CodeQL Packs (go)	1m 37s
Compile and Test CodeQL Packs (common)	12m 8s
Compile and Test CodeQL Packs (javascript)	1m 45s
Compile and Test CodeQL Packs (java)	2m 24s
Compile and Test CodeQL Packs (ruby)	2m 55s
Compile and Test CodeQL Packs (python)	1m 55s
Validate test results	7s
	27m 23s

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