Bug fixes:

• [acme] Update go-acme/lego to v4.7.0 (#9065 by ldez)
• [logs] Fix invalid placeholder in log message (#9084 by ldez)

Documentation:

• [hub] Hub documentation (#9090 by ldez)
• [k8s,k8s/gatewayapi] Update Gateway API link from v1alpha1 to v1alpha2 (#9083 by tomMoulard)
• [k8s,k8s/gatewayapi] Update Gateway API links (#9058 by tomMoulard)
• [middleware] Fix typo in stripPrefix middleware docs (#9051 by rbarbey)
• [rules] Fix rule expression rendering (#9076 by ldez)
• Update the link for contributor swag (#9056 by tfny)
• Fix Traefik version s/2.6/2.7/ (#9047 by mpl)
• Update the contributing docs for clarity and to encourage community activity (#9035 by tfny)