meta: fix GHA sccache reporting #2956

Job	Run time
Build slim tarball	1m 39s
aarch64-darwin: with shared libraries	1h 49m 39s
x86_64-darwin: with shared libraries	1h 49m 40s
aarch64-linux: with shared libraries	1h 28m 1s
x86_64-linux: with shared libraries	1h 49m 22s
	6h 58m 21s

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