Add NeuVector chart version 2.7.3

[selvamt94]

Issue: rancher/rancher#44432

Problem

NeuVector has released app version 5.3.0 along with helm chart 2.7.3, which need to be added to Rancher feature charts version 2.7 (release-v2.7). We would like to include this chart in Rancher Manager release v2.7.11 otherwise this need to be released as OOB.

Solution

New Chart release

Testing

Engineering Testing

Manual Testing

Tested fresh install of the chart 102.0.8+up2.7.3 and l upgrade from previous version on RKE and RKE2 cluster.

Automated Testing

QA Testing Considerations

Tested fresh install of the chart 102.0.8+up2.7.3 and l upgrade from previous version on RKE and RKE2 cluster.

Regressions Considerations

Backporting considerations

[github-actions]

Validation steps

• Ensure all container images have repository and tag on the same level to ensure that all container images are included in rancher-images.txt which are used by airgap customers.

  Ex:- 
    longhorn-controller:
      repository: rancher/hardened-sriov-cni
      tag: v2.6.3-build20230913
  

• Add a 👍 (thumbs up) reaction to this comment once done. CI won't pass without this reaction to the github-action bot's latest validation comment.
• Approve the PR to run the CI check.

[lucasmlp]

LGTM 🚀

[github-actions]

Validation steps

• Ensure all container images have repository and tag on the same level to ensure that all container images are included in rancher-images.txt which are used by airgap customers.

  Ex:-
    longhorn-controller:
      repository: rancher/hardened-sriov-cni
      tag: v2.6.3-build20230913
  

• Add a 👍 (thumbs up) reaction to this comment once done. CI won't pass without this reaction to the github-action bot's latest validation comment.
• Approve the PR to run the CI check.

[github-actions]

Validation steps

• Ensure all container images have repository and tag on the same level to ensure that all container images are included in rancher-images.txt which are used by airgap customers.

  Ex:-
    longhorn-controller:
      repository: rancher/hardened-sriov-cni
      tag: v2.6.3-build20230913
  

• Add a 👍 (thumbs up) reaction to this comment once done. CI won't pass without this reaction to the github-action bot's latest validation comment.
• Approve the PR to run the CI check.

[github-actions]

Validation steps

• Ensure all container images have repository and tag on the same level to ensure that all container images are included in rancher-images.txt which are used by airgap customers.

  Ex:-
    longhorn-controller:
      repository: rancher/hardened-sriov-cni
      tag: v2.6.3-build20230913
  

• Add a 👍 (thumbs up) reaction to this comment once done. CI won't pass without this reaction to the github-action bot's latest validation comment.
• Approve the PR to run the CI check.