Keycloak: Istio mTLS STRICT

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak/-/blob/18.2.1-bb.1/CHANGELOG.md

https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak/-/blob/18.2.1-bb.2/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak/-/merge_requests/81

https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak/-/merge_requests/82

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak/-/issues/70