docs/vmanomaly - update versions in examples (#7163)

### Describe Your Changes

update `vnanomaly` versions in examples

### Checklist

The following checks are **mandatory**:

- [ ] My change adheres [VictoriaMetrics contributing
guidelines](https://docs.victoriametrics.com/contributing/).

deployment/docker/vmanomaly/vmanomaly-integration/docker-compose.yml

@@ -73,7 +73,7 @@ services:
     restart: always
   vmanomaly:
     container_name: vmanomaly
-    image: victoriametrics/vmanomaly:latest
+    image: victoriametrics/vmanomaly:v1.16.0
     depends_on:
       - "victoriametrics"
     ports:

docs/anomaly-detection/components/models.md

@@ -960,8 +960,8 @@ monitoring:
 ### 3. Running custom model
 Let's pull the docker image for `vmanomaly`:
 
-```sh 
-docker pull victoriametrics/vmanomaly:latest
+```sh
+docker pull victoriametrics/vmanomaly:v1.16.0
 ```
 
 Now we can run the docker container putting as volumes both config and model file:
@@ -975,7 +975,7 @@ docker run -it \
 -v $(PWD)/license:/license \
 -v $(PWD)/custom_model.py:/vmanomaly/model/custom.py \
 -v $(PWD)/custom.yaml:/config.yaml \
-victoriametrics/vmanomaly:latest /config.yaml \
+victoriametrics/vmanomaly:v1.16.0 /config.yaml \
 --licenseFile=/license
 ```
 

docs/anomaly-detection/guides/guide-vmanomaly-vmalert/README.md

@@ -385,7 +385,7 @@ services:
     restart: always
   vmanomaly:
     container_name: vmanomaly
-    image: victoriametrics/vmanomaly:latest
+    image: victoriametrics/vmanomaly:v1.16.0
     depends_on:
       - "victoriametrics"
     ports: