CI Fix: Do not upload logs artifact for the default job in CI Linux #16571

Job	Run time
test-new	10m 29s
test-mod (sagemath_categories-check)	5m 11s
test-long (src/sage/[a-f]*)	32m 43s
test-long (src/sage/[g-o]*)	35m 51s
test-long (src/sage/[p-z]*)	34m 10s
test-long (src/doc src/sage_docbuild src/sage_setup)	10m 23s
coverage-report	17m 27s
	2h 26m 14s

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