fix: Staging CI workflow (#2034)

* fix staging

* only ignore staging folder

Author: timwu20

.dockerignore

@@ -1,6 +1,7 @@
 /.git
 /.githooks
 /.github
+!/.github/workflows/staging
 /docs
 /.deepsource.toml
 /.dockerignore

Dockerfile.staging

@@ -17,8 +17,6 @@ WORKDIR /gossamer
 COPY . .
 
 RUN ["sh", "-c", "mv .github/workflows/staging/openmetrics.d/${chain}-conf.yaml /etc/datadog-agent/conf.d/openmetrics.d/conf.yaml"]
-RUN ls -la /etc/datadog-agent/conf.d/openmetrics.d/
-RUN cat /etc/hosts
 RUN service datadog-agent start
 
 RUN go get ./...