chore(deps): update lobehub/lobe-chat docker tag to v1.20.5 (#2203)

* chore(deps): update lobehub/lobe-chat docker tag to v1.20.5

* Update app version [skip ci]

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-action update-app-version <githubaction@githubaction.com>

apps/lobe-chat/1.20.5/docker-compose.yml

@@ -0,0 +1,19 @@
+services:
+  lobe-chat:
+    image: lobehub/lobe-chat:v1.20.5
+    container_name: ${CONTAINER_NAME}
+    restart: always
+    networks:
+      - 1panel-network
+    ports:
+      - "${PANEL_APP_PORT_HTTP}:3210"
+    environment:
+      - OPENAI_API_KEY=${OPENAI_API_KEY}
+      - OPENAI_PROXY_URL=${OPENAI_PROXY_URL}
+      - ACCESS_CODE=${ACCESS_CODE}
+      - OPENAI_MODEL_LIST=${OPENAI_MODEL_LIST}
+    labels:  
+      createdBy: "Apps"
+networks:  
+  1panel-network:  
+    external: true