[configtls] Use configtls.NewDefaultClientConfig instead of manually creating struct

[mackjmr]

Component(s)

No response

Describe the issue you're reporting

Move away from manually creating configtls.ClientConfig in favor of using configtls.NewDefaultClientConfig.

This is necessary for the following components:

• [ ] cmd/opampsupervisor
• [ ] exporter/alertmanagerexporter
• [ ] exporter/coralogixexporter
• [ ] exporter/datadogexporter
• [ ] exporter/kafkaexporter
• [ ] exporter/lokiexporter
• [ ] exporter/opencensusexporter
• [ ] exporter/otelarrowexporter
• [ ] exporter/prometheusexporter
• [ ] exporter/prometheuswriteexporter
• [ ] exporter/rabbitmqexporter
• [ ] exporter/signalfxexporter
• [ ] exporter/splunkhecexporter
• [ ] exporter/sumologicexporter
• [ ] exporter/syslogexporter
• [ ] exporter/zipkinexporter
• [ ] extension/awsproxy
• [ ] extension/httpforwardextension
• [ ] extension/jaegerremotesampling
• [ ] extension/oauth2clientauthextension
• [ ] extension/opampextension
• [ ] internal/aws/proxy
• [ ] internal/kafka
• [ ] pkg/datadog/config
• [ ] processor/resourcedetectionprocessor
• [ ] receiver/aerospikereceiver
• [ ] receiver/awsxrayreceiver
• [ ] receiver/bigipreceiver
• [ ] receiver/cloudfoundryreceiver
• [ ] receiver/couchdbreceiver
• [ ] receiver/elasticsearchreceiver
• [ ] receiver/flinkmetricsreceiver
• [ ] receiver/httpcheckreceiver
• [ ] receiver/kafkametricsreceiver
• [ ] receiver/kafkareceiver
• [ ] receiver/mongodbreceiver
• [ ] receiver/mysqlreceiver
• [ ] receiver/nginxreceiver
• [ ] receiver/postgresqlreceiver
• [ ] receiver/prometheusreceiver
• [ ] receiver/rabbitmqreceiver
• [ ] receiver/redisreceiver
• [ ] receiver/riakreceiver
• [ ] receiver/saphanareceiver
• [ ] receiver/sapmreceiver
• [ ] receiver/signalfxreceiver
• [ ] receiver/simpleprometheusreceiver
• [ ] receiver/solacereceiver
• [ ] receiver/splunkhecreceiver
• [ ] receiver/vcenterreceiver
• [ ] testbed

Core collector issue: https://github.com/open-telemetry/opentelemetry-collector/issues/11383

[VihasMakwana]

I'll help out with this.

[github-actions[bot]]

Pinging code owners for cmd/opampsupervisor: @evan-bradley @atoulme @tigrannajaryan. See Adding Labels via Comments if you do not have permissions to add labels yourself. For example, comment '/label priority:p2 -needs-triaged' to set the priority and remove the needs-triaged label.