improves dot rendering #2149

Job	Run time
to-main-tr-4.52.4-ci ubuntu-latest-3.12	7m 24s
to-2.9-tr-4.52.4-ci ubuntu-latest-3.12	11m 17s
to-main-tr-4.56.2-ci ubuntu-latest-3.12	8m 59s
to-2.9-tr-4.52.4-ci ubuntu-latest-3.11	7m 25s
to-2.9-tr-4.51.3-ci ubuntu-latest-3.11	6m 10s
to-main-tr-4.51.3-ci ubuntu-latest-3.12	5m 39s
to-main-tr-main-ci ubuntu-latest-3.13	11m 45s
to-2.9-tr-4.48.3-ci ubuntu-latest-3.11	3m 46s
to-2.9-tr-4.57.3-ci ubuntu-latest-3.12	11m 1s
to-main-tr-4.52.4-ci ubuntu-latest-3.13	6m 34s
to-2.9-tr-4.55.4-ci ubuntu-latest-3.12	10m 16s
to-main-tr-4.55.4-ci ubuntu-latest-3.12	9m 46s
to-2.9-tr-4.48.3-ci ubuntu-latest-3.12	6m 26s
to-2.9-tr-4.51.3-ci ubuntu-latest-3.12	7m 19s
to-main-tr-4.48.3-ci ubuntu-latest-3.12	5m 36s
to-2.9-tr-main-ci ubuntu-latest-3.12	9m 34s
to-main-tr-main-ci ubuntu-latest-3.12	12m 2s
to-main-tr-4.57.3-ci ubuntu-latest-3.13	11m 22s
to-2.9-tr-4.56.2-ci ubuntu-latest-3.12	11m 4s
to-main-tr-4.57.3-ci ubuntu-latest-3.12	11m 38s
	2h 55m 3s

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