fix: give way more memory to exporter (#2498)

It's kind of concerning that it's still running out of memory on some
Ubuntu exports - we probably should look at *why* it's using so much.
128GB should be way overkill, I just wanted to get a sense of how much
it actually uses.

deployment/clouddeploy/gke-workers/base/exporter.yaml

@@ -28,10 +28,10 @@ spec:
             resources:
               requests:
                 cpu: "6"
-                memory: "16G"
+                memory: "48G"
               limits:
                 cpu: "6"
-                memory: "32G"
+                memory: "128G"
           restartPolicy: OnFailure
           volumes:
             - name: "ssd"