fix: watch s3 connection for changes

[sweb]

Description

Previously, the s3 connection was not watched - now a change to the s3 connection triggers a reconcile. This is also open for Trino and Spark.

In addition, the config map watch gets a check to restrict to the hive cluster's namespace.

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Author

• Changes are OpenShift compatible
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Acceptance

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[sbernauer]

This fixes the bug, thx! I pitched a idea how to solve this with a general, generic approach, but we want to fix the bug anyway now