Bump mongo from 7.0.4 to 7.0.6 in /db

Bumps mongo from 7.0.4 to 7.0.6.

---
updated-dependencies:
- dependency-name: mongo
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

db/Dockerfile

@@ -1,5 +1,5 @@
 # Get mongo latest.
-FROM mongo:7.0.4
+FROM mongo:7.0.6
 
 # Get packages.
 RUN apt-get update && apt-get -y install cifs-utils && apt-get -y install keyutils