chore(deps): update docker.io/bitnami/keycloak docker tag to v24.0.5-debian-12-r8 (#143)

| datasource | package                    | from                | to                  |
| ---------- | -------------------------- | ------------------- | ------------------- |
| docker     | docker.io/bitnami/keycloak | 24.0.5-debian-12-r5 | 24.0.5-debian-12-r8 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

keycloak-24/Dockerfile

@@ -1,7 +1,7 @@
-ARG BASE_IMAGE_NAME="docker.io/bitnami/keycloak:24.0.5-debian-12-r5"
+ARG BASE_IMAGE_NAME="docker.io/bitnami/keycloak:24.0.5-debian-12-r8"
 # List of all available images with associated sha: https://hub.docker.com/r/bitnami/keycloak/tags
 # Note: use the global image digest to make this image platform agnostic (see: https://github.com/camunda/zeebe/pull/14186)
-ARG BASE_IMAGE_DIGEST="sha256:c383addc996e7243ca0d5738f2cec375ee914ca29be4bba0bce3118fa82dc7bc"
+ARG BASE_IMAGE_DIGEST="sha256:4751a8e76af19343068f141c5d2adbba9e4e7d7476874f89cdb0cd61c922e277"
 
 # Building builder image
 # hadolint ignore=DL3006