[CI] Only run one post commit job on a push to a pull request in sycl… #3162

Job	Run time
macOS / Build	18m 56s
build-win / Build + LIT	48m 8s
Linux (Self build + no-assertions) / Build + LIT	10m 35s
e2e-lin (AMD/HIP, ["Linux", "amdgpu"], ghcr.io/intel/llvm/ubuntu2204_build:latest, -u 1001 --devi... / AMD/HIP	10m 26s
e2e-lin (Intel GEN12 Graphics with Level Zero, ["Linux", "gen12"], --param gpu-intel-gen12=True, ... / Intel GEN12 Graphics with Level Zero	32m 41s
e2e-lin (Perf tests on Intel Arc A-Series Graphics system, ["Linux", "arc"], {"LIT_FILTER":"Perfo... / Perf tests on Intel Arc A-Series Graphics system	1m 31s
e2e-lin (Intel Arc A-Series Graphics with Level Zero, ["Linux", "arc"], --param matrix-xmx8=True ... / Intel Arc A-Series Graphics with Level Zero	12m 7s
e2e-lin (Perf tests on Intel GEN12 Graphics system, ["Linux", "gen12"], {"LIT_FILTER":"Performanc... / Perf tests on Intel GEN12 Graphics system	2m 6s
e2e-win / Intel GEN12 Graphics with Level Zero	40m 41s
	2h 57m 11s

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