Skip veristat validation with Meta objects for PRs from forks #513

Job	Run time
set-matrix	3s
build for x86_64 with gcc	4m 52s
build for x86_64 with llvm-16	5m 33s
build for aarch64 with gcc	5m 49s
build for s390x with gcc	15m 25s
veristat	2m 12s
test_progs on x86_64 with gcc	4m 2s
test_progs_parallel on x86_64 with gcc	2m 30s
test_progs_no_alu32 on x86_64 with gcc	3m 25s
test_progs_no_alu32_parallel on x86_64 with gcc	2m 14s
test_maps on x86_64 with gcc	2m 15s
test_verifier on x86_64 with gcc	1m 5s
test_progs on x86_64 with llvm-16	3m 57s
test_progs_parallel on x86_64 with llvm-16	2m 27s
test_progs_no_alu32 on x86_64 with llvm-16	3m 21s
test_progs_no_alu32_parallel on x86_64 with llvm-16	2m 25s
test_maps on x86_64 with llvm-16	2m 11s
test_verifier on x86_64 with llvm-16	1m 10s
test_progs on aarch64 with gcc	5m 0s
test_progs_parallel on aarch64 with gcc	2m 31s
test_progs_no_alu32 on aarch64 with gcc	4m 18s
test_progs_no_alu32_parallel on aarch64 with gcc	2m 26s
test_maps on aarch64 with gcc	2m 42s
test_verifier on aarch64 with gcc	58s
test_progs on s390x with gcc	21m 1s
test_progs_no_alu32 on s390x with gcc	16m 21s
test_maps on s390x with gcc	38m 30s
test_verifier on s390x with gcc	2m 16s
	2h 40m 59s

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