[bug][exporter/cassandra] the component should not fail on creation, but on start

[Frapschen]

          Please open a bug to follow up, the component should not fail on creation, but on start. This is not a fatal error either; the collector should keep trying to connect.

Originally posted by @atoulme in #30518 (comment)

[github-actions]

Pinging code owners for exporter/cassandra: @atoulme @emreyalvac. See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• exporter/cassandra: @atoulme @emreyalvac

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

This issue has been closed as inactive because it has been stale for 120 days with no activity.