Merge pull request #45715 from gmarek/fluentd_toleration

Automatic merge from submit-queue (batch tested with PRs 45691, 45667, 45698, 45715)

Add general NoExecute Toleration to fluentd in gcp configuration

Ref #44445

Once merged I'll create a cherry-pick that will be picked up in GKE together with the next patch release.

cc @JorritSalverda @davidopp @aveshagarwal @nimeshksingh @piosz 

```release-note
fluentd will tolerate all NoExecute Taints when run in gcp configuration.
```

cluster/addons/fluentd-gcp/fluentd-gcp-ds.yaml

@@ -103,6 +103,8 @@ spec:
       tolerations:
       - key: "node.alpha.kubernetes.io/ismaster"
         effect: "NoSchedule"
+      - operator: "Exists"
+        effect: "NoExecute"
       terminationGracePeriodSeconds: 30
       volumes:
       - name: varlog