ci(release): remove redundant Docker build command

Author: phenixcoder

.releaserc

@@ -10,7 +10,6 @@
     [
       "@semantic-release/exec",
       {
-        "prepareCmd": "docker build -t lambda-container-service .",
         "publishCmd": "./publish.sh ${nextRelease.version} ${options.branch} ${commits.length} ${Date.now()}"
       }
     ]

Dockerfile

@@ -2,7 +2,7 @@ FROM public.ecr.aws/lambda/nodejs:14
 
 COPY .  ${LAMBDA_TASK_ROOT}
 
-RUN npm install
+RUN npm ci
 
 # Set the CMD to your handler (could also be done as a parameter override outside of the Dockerfile)
 CMD [ "app/index.handler" ]