[new feature] DevMesh sidecar injection should be HA

[foxish]

New feature or functionality
What would you like Signadot to do?

Sometimes, esp. during upgrades, the devmesh sidecar injection is missed on the baseline. This item tracks making the injection HA.

[foxish]

This was completed in v0.19.3: https://www.signadot.com/docs/release-notes#operator-v0193