docs(readme): fix minor wordings #588

Job	Run time
Build (debian-bullseye, 18)	5m 44s
Build (debian-bullseye, 18, -nightly)	6m 14s
Build (debian-bookworm, 18)	7m 35s
Build (debian-bookworm, 18, -nightly)	7m 18s
Build (fedora-37, 18)	6m 33s
Build (fedora-37, 18, -nightly)	7m 33s
Test (debian-bullseye, 18)	1m 5s
Test (debian-bullseye, 18, -nightly)	1m 16s
Test (debian-bookworm, 18)	1m 11s
Test (debian-bookworm, 18, -nightly)	1m 12s
Test (fedora-37, 18)	1m 33s
Test (fedora-37, 18, -nightly)	1m 59s
Release (debian-bullseye, 18)	1m 40s
Release (debian-bullseye, 18, -nightly)	1m 45s
Release (debian-bookworm, 18)	1m 28s
Release (debian-bookworm, 18, -nightly)	2m 5s
Release (fedora-37, 18)	2m 18s
Release (fedora-37, 18, -nightly)	2m 49s
	1h 1m 18s

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