Fix bonus pgBadger sidecar on upgrade

We (me) did not put an explicit boolean check around the former pgBadger label, which would cause a bonus pgBadger sidecar to join upgraded clusters. Issue: [ch10298]

Author: Jonathan S. Katz

internal/operator/cluster/upgrade.go

@@ -504,7 +504,7 @@ func preparePgclusterForUpgrade(pgcluster *crv1.Pgcluster, parameters map[string
 
 // 4.6.0 moved pgBadger to use an attribute instead of a label. If this label
 // exists on the current CRD, move the value to the attribute.
-if _, ok := pgcluster.ObjectMeta.GetLabels()["crunchy-pgbadger"]; ok {
+if ok, _ := strconv.ParseBool(pgcluster.ObjectMeta.GetLabels()["crunchy-pgbadger"]); ok {
 pgcluster.Spec.PGBadger = true
 delete(pgcluster.ObjectMeta.Labels, "crunchy-pgbadger")
 }