Bump fast-xml-parser from 5.3.2 to 5.3.8 #35444

Job	Run time
knip	33s
smoke	58s
Test Node 24 on ubuntu-latest	8m 42s
Test Node 14 on ubuntu-latest	11m 52s
browser-integration	1m 31s
format	29s
baselines	9m 23s
lint	1m 6s
coverage	10m 44s
typecheck	46s
Test Node lts/* on ubuntu-latest with --no-bundle	11m 33s
Test Node 24 on windows-latest	10m 25s
self-check	56s
Test Node 14 on windows-latest	14m 40s
package-size	1m 36s
misc	32s
required	4s
	1h 25m 50s

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