Add FuseConcatPass to eliminate redundant concat ops (#18827) #3055

Job	Run time
test-arm / test-backend-linux (arm_tosa_fp, operators) / linux-job	19m 27s
test-arm / test-backend-linux (arm_vgf_fp, models) / linux-job	31m 29s
test-arm / test-backend-linux (arm_vgf_fp, operators) / linux-job	16m 24s
test-arm / test-backend-linux (arm_tosa_fp, models) / linux-job	31m 17s
test-arm / test-backend-macos	0s
test-arm / package-golden-artifacts	44s
	1h 39m 21s

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