feat: update tiled authz policy to use session #381

Job	Run time
devcontainer / build	2m 4s
policy_test / test	5s
bundler_sqlx / prepare	3m 12s
commit_lint / lint	15s
bundler_test / test	1m 36s
docs_build / build	17s
helm_chart_lint / lint	12s
policy_lint / lint	9s
docs_lint / lint	11s
helm_chart_publish / publish (bundler)	17s
helm_chart_publish / publish (opa)	17s
policy_container / build_publish	7s
techdocs_publish / publish	55s
bundler_lint / deny	24s
bundler_lint / lint	1m 9s
bundler_docs / build	1m 15s
bundler_container / build_publish	31s
pages_build / combine	9s
pages_publish / publish	9s
	13m 14s

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