Improve bb-common configuration for fortify

General MR

Summary

• Introduced .gitignore to exclude Helm test outputs, macOS files, IDEs, and temporary files.
• Updated changelog with changes including restructuring NetworkPolicies and adding external MySQL support.
• Removed allow-all-egress network policy and related configurations.
• Added new keystore-job network policy for egress definitions.

Relevant logs/screenshots

Netpols after bb-common

NAME                                                                            POD-SELECTOR                                                                                                                                                    AGE
allow-egress-from-keystore-job-to-kubeapi                                       job=keystore-generator                                                                                                                                          22m
allow-ingress-to-fortify-8080-from-ns-istio-gateway-pod-public-ingressgateway   app.kubernetes.io/component=webapp,app.kubernetes.io/name=fortify-ssc                                                                                           22m
default-egress-allow-all-in-ns                                                  <none>                                                                                                                                                          22m
default-egress-allow-istiod                                                     <none>                                                                                                                                                          22m
default-egress-allow-kube-dns                                                   <none>                                                                                                                                                          22m
default-egress-deny-all                                                         <none>                                                                                                                                                          22m
default-ingress-allow-all-in-ns                                                 <none>                                                                                                                                                          22m
default-ingress-allow-prometheus-to-istio-sidecar                               <none>                                                                                                                                                          22m
default-ingress-deny-all                                                        <none>                                                                                                                                                          22m
fortify-mysql                                                                   app.kubernetes.io/instance=fortify,app.kubernetes.io/managed-by=Helm,app.kubernetes.io/name=mysql,app.kubernetes.io/version=8.0.36,helm.sh/chart=mysql-9.19.0   22m

Linked Issue

issue

Upgrade Notices

"TBD"

Umbrella branch

review-fortify