fix(deps): update rundeck to v5 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.rundeck:rundeck-authz-yaml (source)	4.17.6-20240402 → 5.18.0-20251216
org.rundeck:rundeck-authz-api (source)	4.17.6-20240402 → 5.18.0-20251216
org.rundeck:rundeck-authz-core (source)	4.17.6-20240402 → 5.18.0-20251216

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[gschueler]

dependency verification needs updating

[renovate]

⚠️ Artifact update problem

Renovate failed to update artifacts related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: gradle/libs.versions.toml

Post-upgrade command './gradlew --write-verification-metadata pgp,sha256 --export-keys help' has not been added to the allowed list in allowedCommands

File name: gradle/libs.versions.toml

Post-upgrade command './gradlew --write-verification-metadata pgp,sha256 --export-keys help' has not been added to the allowed list in allowedCommands

File name: gradle/libs.versions.toml

Post-upgrade command './gradlew --write-verification-metadata pgp,sha256 --export-keys help' has not been added to the allowed list in allowedCommands