Update postgres base image for postgres-kanister-tools

[akankshakumari393]

Change Overview

This PR updates the base image for postgres-kanister-tools image

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test

Issues

• fixes #issue-number

Test Plan

• 💪 Manual

• ⚡ Unit test

• 💚 E2E

• Build the image and use it in blueprint.

helm repo add bitnami https://charts.bitnami.com/bitnami
helm repo update
kubectl create ns postgres-test
helm install my-release --namespace postgres-test bitnami/postgresql
helm list --all-namespaces
helm repo add kanister https://charts.kanister.io
helm install kanister --namespace kanister --create-namespace kanister/kanister-operator --set image.tag=0.96.0\n
# create profile
kubectl create -f ./examples/postgresql/postgres-blueprint.yaml -n kanister
kubectl get profile -n postgres-test
kanctl create actionset --action backup --namespace kanister --blueprint postgres-bp --statefulset postgres-test/my-release-postgresql --profile postgres-test/s3-profile-vs66q

kubectl get actionset -A
NAMESPACE   NAME           PROGRESS   RUNNING PHASE   LAST TRANSITION TIME   STATE
kanister    backup-f8whv   10.00                      2023-09-29T10:05:57Z   complete

[ankitjain235]

LGTM