Use the latest collector image in the jetty, activemq, and docker component doc snippets; observed collector versions stay recorded in the examples' observed-metrics files

Author: nilakanta

docs/instrument/component/activemq.md

@@ -361,7 +361,7 @@ services:
         condition: service_healthy
 
   otel-collector:
-    image: otel/opentelemetry-collector-contrib:0.153.0
+    image: otel/opentelemetry-collector-contrib:latest
     container_name: otel-collector
     volumes:
       - ./config/otel-collector.yaml:/etc/otelcol-contrib/config.yaml:ro

docs/instrument/component/docker.md

@@ -164,7 +164,7 @@ volume and run as a user that can read it:
 ```yaml showLineNumbers title="compose.yaml"
 services:
   otel-collector:
-    image: otel/opentelemetry-collector-contrib:0.153.0
+    image: otel/opentelemetry-collector-contrib:latest
     user: "0:0"              # Run as a user that can read the socket
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro

docs/instrument/component/jetty.md

@@ -367,7 +367,7 @@ services:
         condition: service_healthy
 
   otel-collector:
-    image: otel/opentelemetry-collector-contrib:0.153.0
+    image: otel/opentelemetry-collector-contrib:latest
     container_name: otel-collector
     volumes:
       - ./config/otel-collector.yaml:/etc/otelcol-contrib/config.yaml:ro