Change error logs to info for building container

[kristinapathak]

fixes #1143
error logs include stacktraces - changing the level to info means a stacktrace is not included.
error:

{"level":"error","ts":1665093234.6714225,"logger":"controllers.OpenTelemetryCollector",
"msg":"couldn't determine metrics port from configuration, using 8888 default value",
"opentelemetrycollector":"opentelemetry/lightstep-collector","error":"missing port in address",
"stacktrace":"github.com/open-telemetry/opentelemetry-operator/pkg/collector.getConfigContainerPorts\n
\t/workspace/pkg/collector/container.go:171\ngithub.com/open-telemetry/opentelemetry-operator/pkg/collector.Container\n
\t/workspace/pkg/collector/container.go:49\ngithub.com/open-telemetry/opentelemetry-operator/pkg/collector.Deployment\n
\t/workspace/pkg/collector/deployment.go:55\ngithub.com/open-telemetry/opentelemetry-operator/pkg/collector/reconcile.Deployments\n
\t/workspace/pkg/collector/reconcile/deployment.go:38\n
github.com/open-telemetry/opentelemetry-operator/controllers.(*OpenTelemetryCollectorReconciler).RunTasks\n
\t/workspace/controllers/opentelemetrycollector_controller.go:164\n
github.com/open-telemetry/opentelemetry-operator/controllers.(*OpenTelemetryCollectorReconciler).Reconcile\n
\t/workspace/controllers/opentelemetrycollector_controller.go:154\n
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Reconcile\n
\t/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:121\n
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler\n
\t/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:320\n
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n
\t/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:273
\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2\n
\t/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/internal/controller/controller.go:234"}

info:

{"level":"info","ts":1665095324.665596,"logger":"controllers.OpenTelemetryCollector",
"msg":"couldn't determine metrics port from configuration, using 8888 default value",
"opentelemetrycollector":"opentelemetry/lightstep-collector","error":"missing port in address"}