Merge pull request #60503 from serathius/fix-passing-location

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

[fluentd-gcp addon] Fix passing location to event exporter

Fix passing argument to event-expoter in https://github.com/kubernetes/kubernetes/pull/58090

```release-note
NONE
```

cluster/addons/fluentd-gcp/event-exporter.yaml

@@ -50,7 +50,7 @@ spec:
         image: k8s.gcr.io/event-exporter:v0.1.8
         command:
         - /event-exporter
-        - -sink-opts="-location={{ event_exporter_zone }}"
+        - -sink-opts=-location={{ event_exporter_zone }}
       # BEGIN_PROMETHEUS_TO_SD
       - name: prometheus-to-sd-exporter
         image: k8s.gcr.io/prometheus-to-sd:v0.2.4