Update hmctspublic.azurecr.io/jenkins/jenkins Docker tag to v2.473-743 in sbox-intsvc

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
hmctspublic.azurecr.io/jenkins/jenkins (source)	patch	2.473-742 -> 2.473-743

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• jenkins-controller-version.yaml```:
  • Updated the Jenkins controller tag from 2.473-742 to 2.473-743. 🚀