DAOS-16153 test: Do not run NLT fi tests for release builds. (#15171) #6824

Job	Run time
Build DAOS (ARM64) (ubuntu, clang)	39m 55s
Create Docker images (ubuntu)	9m 20s
Build DAOS (ARM64) (alma.8, clang)	37m 24s
Create Docker images (rocky)	9m 45s
Build DAOS (ARM64) (leap.15, clang)	36m 2s
Create Docker images (fedora)	9m 37s
Create Docker images (leap.15)	11m 26s
Build DAOS (alma.8)	39m 20s
Build DAOS (alma.9)	38m 34s
Build DAOS (rocky.8)	39m 21s
Build DAOS (ubuntu)	9m 15s
Run DAOS/NLT tests (ubuntu)	24m 49s
Build DAOS in image (ubuntu, clang)	23m 48s
Build DAOS in image (ubuntu, gcc)	23m 18s
Build DAOS in image (rocky, clang)	24m 3s
Build DAOS in image (rocky, gcc)	24m 58s
Build DAOS in image (fedora, clang)	26m 10s
Build DAOS in image (fedora, gcc)	25m 11s
Build DAOS in image (leap.15, clang)	23m 37s
Build DAOS in image (leap.15, gcc)	24m 5s
	8h 19m 58s

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