Bump version to "v18.2.19" with changelog. #5426

Job	Run time
test	4m 41s
analyze	5s
build	2m 43s
lint	2m 38s
e2e-package-managers (ubuntu-latest, 22, yarn, 0)	8m 55s
e2e-package-managers (ubuntu-latest, 22, yarn, 2)	6m 23s
e2e-package-managers (ubuntu-latest, 22, pnpm, 0)	7m 5s
e2e-package-managers (ubuntu-latest, 22, yarn, 1)	5m 54s
e2e (ubuntu-latest, 22, esbuild, 2)	7m 40s
e2e-package-managers (ubuntu-latest, 22, pnpm, 2)	5m 41s
e2e (ubuntu-latest, 22, npm, 2)	11m 18s
e2e (ubuntu-latest, 22, npm, 5)	9m 6s
e2e (ubuntu-latest, 22, npm, 0)	9m 48s
e2e (ubuntu-latest, 22, npm, 3)	13m 37s
e2e (ubuntu-latest, 22, esbuild, 1)	7m 56s
e2e (ubuntu-latest, 22, npm, 1)	10m 22s
e2e (ubuntu-latest, 22, esbuild, 5)	7m 48s
e2e (ubuntu-latest, 22, esbuild, 4)	7m 36s
e2e-package-managers (ubuntu-latest, 22, pnpm, 1)	4m 45s
e2e (ubuntu-latest, 22, esbuild, 0)	7m 5s
e2e (ubuntu-latest, 22, esbuild, 3)	8m 17s
e2e (ubuntu-latest, 22, npm, 4)	10m 13s
e2e-snapshots	0s
	2h 39m 36s

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