src: fix escaping of single quotes in task runner #8365

Job	Run time
Build slim tarball	1m 18s
x86_64-darwin: with shared libraries	8m 42s
x86_64-linux: with shared libraries	6m 54s
aarch64-darwin: with shared libraries	4m 24s
aarch64-linux: Cache V8 build	18s
aarch64-linux: with shared openssl-3.5.7	4m 59s
aarch64-linux: with shared openssl-3.6.2	4m 55s
aarch64-linux: with shared openssl-4.0.1	4m 42s
aarch64-linux: with shared openssl-3.0.21	4m 44s
aarch64-linux: with shared openssl-1.1.1w	3m 53s
aarch64-linux: with shared boringssl-0.20260526.0	4m 39s
	49m 28s

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