Rotate Operator TLS certificate in-memory

- certNeedsRenewal didn't support kubernetes.io/tls,
  cert-manager.io/v1alpha2 or cert-manager.io/v1 secrets
- Rotate operator certificate if is expired and refresh it in-memory

Signed-off-by: Lenin Alevski <[email protected]>

Author: Alevsk

go.mod

@@ -88,6 +88,7 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/rjeczalik/notify v0.9.2 // indirect
 	github.com/rs/xid v1.2.1 // indirect
 	github.com/secure-io/sio-go v0.3.1 // indirect
 	github.com/shirou/gopsutil/v3 v3.21.6 // indirect