[JENKINS-72833] Do not attempt to self-`exec` on systems without `libc` #9025

Line Coverage: 50.00% (+7.82%), Branch Coverage: 50.00% (+20.00%)

Overall project (difference to reference job)
* Line Coverage: 66.75% (36733/55028) - Delta: -0.02%
* Branch Coverage: 59.77% (13360/22353) - Delta: -0.04%
* Complexity Density: 0.49% - Delta: +0.00%
* Lines of Code: 55028 - Delta: -3
Modified files (difference to reference job)
* Line Coverage: 42.18% (62/147) - Delta: +0.18%
* Branch Coverage: 30.00% (21/70) - Delta: +0.00%
* Complexity Density: 0.44%
* Lines of Code: 147
Modified code lines (difference to modified files)
* Line Coverage: 50.00% (3/6) - Delta: +7.82%
* Branch Coverage: 50.00% (1/2) - Delta: +20.00%
* Lines of Code: 6
Indirect changes
* Line Coverage: 38.00% (19/50)
* Branch Coverage: 33.33% (9/27)
* Lines of Code: 50

No active quality gates.

	Module Coverage	Package Coverage	File Coverage	Class Coverage	Method Coverage	Line Coverage	Branch Coverage	Instruction Coverage
🐾 Overall project	100.00% (3/3)	83.81% (88/105)	80.65% (967/1199)	79.22% (1940/2449)	66.18% (10487/15847)	66.75% (36733/55028)	59.77% (13360/22353)	66.49% (165979/249646)
📈 Overall project (difference to reference job)	+0.00%	+0.00%	+0.00%	+0.00%	-0.03% ⬇️	-0.02% ⬇️	-0.04% ⬇️	-0.03% ⬇️
🐾 Modified files	100.00% (2/2)	100.00% (2/2)	100.00% (3/3)	66.67% (4/6)	58.62% (17/29)	42.18% (62/147)	30.00% (21/70)	33.16% (192/579)
📈 Modified files (difference to reference job)	n/a	n/a	n/a	n/a	n/a	+0.18% ⬆️	+0.00%	n/a
🐾 Modified code lines	100.00% (2/2)	100.00% (2/2)	66.67% (2/3)	n/a	n/a	50.00% (3/6)	50.00% (1/2)	n/a
📈 Modified code lines (difference to modified files)	n/a	n/a	n/a	n/a	n/a	+7.82% ⬆️	+20.00% ⬆️	n/a
🐾 Indirect changes	100.00% (2/2)	50.00% (6/12)	45.00% (9/20)	n/a	n/a	38.00% (19/50)	33.33% (9/27)	n/a