chore(deps): update traefik docker tag to v2.9.8

This MR contains the following updates:

Package	Update	Change
traefik	patch	v2.9.7 -> v2.9.8

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Release Notes

containous/traefik

v2.9.8

Compare Source

Bug fixes:

• [server] Update golang.org/x/net to v0.7.0 (#​9716 by ldez)

fix CVE-2022-4172

v2.9.8

Compare Source

Bug fixes:

• [server] Update golang.org/x/net to v0.7.0 (#​9716 by ldez)

fix CVE-2022-4172

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