chore(deps): bump marshmallow to 3.26.2 due to CVE-2025-68480 #3088

Job	Run time
get-commit-message	5s
lint / lint	1m 46s
test / generate-matrix	3s
codeql / Analyze (actions)	1m 5s
audit / audit	1m 38s
codeql / Analyze (python)	1m 17s
test / test (ubuntu-24.04-arm, true)	40m 6s
test / test (macos-15-intel, true)	1h 2m 12s
test / test (macos-latest, true)	40m 6s
test / test (windows-latest, true)	47m 28s
test / test (ubuntu-latest, false)	43m 18s
ketryx_report_and_check / ketryx_report_and_check	55s
docker_publish	0s
package_publish	0s
	3h 59m 59s

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