test: avoid truncating watched worker deps #6285

Job	Run time
Build slim tarball	1m 29s
aarch64-darwin: with shared libraries	25m 20s
x86_64-linux: with shared libraries	31m 44s
x86_64-darwin: with shared libraries	40m 55s
aarch64-linux: Cache V8 build	23s
aarch64-linux: with shared openssl-4.0.0	23m 1s
aarch64-linux: with shared openssl-3.0.19	24m 0s
aarch64-linux: with shared openssl-3.6.1	22m 21s
aarch64-linux: with shared openssl-1.1.1w	22m 48s
aarch64-linux: with shared openssl-3.5.5	23m 49s
	3h 35m 50s

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