chore(deps): update container image tccr.io/truecharts/prometheus-operator to v0.68.0 (#12439)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[tccr.io/truecharts/prometheus-operator](https://togithub.com/truecharts/containers)
| minor | `v0.67.0` -> `v0.68.0` |

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Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

charts/operators/prometheus-operator/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/prometheus-operator
-  tag: "v0.67.0@sha256:99c8aa4c6985f16856bdb74b926fac9b5273ab7dd17295949355eb4a4f900fee"
+  tag: "v0.68.0@sha256:bd63ef4b9fcce4b07c9c1c58b114e09af73a360daf1b4c8ce3e910e5a09027c1"
   pullPolicy:
 
 configReloaderImage: