docs: update Kafka Docker image (#3977)

docs: Update Kafka Docker image from bitnami to soldevelo in sink plugin
guide.

Issue fix: #3974

Signed-off-by: Igor Olszewski <iolszewski@soldevelo.com>

Author: igor-soldev

docs/en_US/guide/sinks/plugin/kafka.md

@@ -163,7 +163,7 @@ But kafka needs special attention `` KAFKA_CFG_ADVERTISED_LISTENERS `` needs to
      environment:
        - ALLOW_ANONYMOUS_LOGIN=yes
     kafka:
-     image: docker.io/bitnami/kafka:3.4
+     image: docker.io/soldevelo/kafka:3.4
      hostname: kafka
      container_name: kafka
      ports:

docs/zh_CN/guide/sinks/plugin/kafka.md

@@ -163,7 +163,7 @@ $(PLUGINS_CUSTOM):
      environment:
        - ALLOW_ANONYMOUS_LOGIN=yes
     kafka:
-     image: docker.io/bitnami/kafka:3.4
+     image: docker.io/soldevelo/kafka:3.4
      hostname: kafka
      container_name: kafka
      ports: