chore: Change `watched-by` label value from `lifecycle-manager` to `kyma` #1271

Job	Run time
Build Image / compute-tag	5s
Build Image / build-image / Build image	4m 48s
E2E (watcher-enqueue)	20m 15s
E2E (kyma-deprovision-with-foreground-propagation)	5m 24s
E2E (kyma-deprovision-with-background-propagation)	5m 21s
E2E (module-status-decoupling-with-statefulset)	7m 18s
E2E (module-status-decoupling-with-deployment)	17m 24s
E2E (kyma-metrics)	5m 53s
E2E (module-without-default-cr)	5m 1s
E2E (module-consistency)	9m 40s
E2E (non-blocking-deletion)	10m 35s
E2E (upgrade-under-deletion)	8m 4s
E2E (purge-controller)	4m 41s
E2E (purge-metrics)	4m 40s
E2E (module-upgrade-channel-switch)	6m 0s
E2E (module-upgrade-new-version)	5m 42s
E2E (unmanage-module)	8m 38s
E2E (skip-manifest-reconciliation)	6m 48s
E2E (ca-certificate-rotation)	4m 41s
E2E (self-signed-certificate-rotation)	4m 57s
E2E (mandatory-module)	7m 4s
E2E (mandatory-module-metrics)	4m 11s
E2E (misconfigured-kyma-secret)	4m 43s
E2E (rbac-privileges)	3m 7s
E2E (ocm-compatible-module-template)	4m 56s
	2h 49m 56s

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