Image Registry pruning job is failing in OCP 4

Issue

• Image registry Operator went degraded due to a failed image pruner pod with the following error.

  I0514 00:00:10.386992       1 merged_client_builder.go:121] Using in-cluster configuration
  I0514 00:01:47.303417       1 request.go:995] Stream error http2.StreamError{StreamID:0xf, Code:0x2, Cause:error(nil)} when reading response body, may be caused by closed connection.
  F0514 00:01:47.303543       1 helpers.go:115] error: stream error when reading response body, may be caused by closed connection. Please retry. Original error: stream error: stream ID 15; INTERNAL_ERROR
  goroutine 1 [running]:
  k8s.io/klog/v2.stacks(0xc00019a001, 0xc0278a6f00, 0xcb, 0x1c4)
  

  [...]
  /go/src/github.com/openshift/oc/vendor/github.com/spf13/cobra/command.go:950 +0x375
  github.com/spf13/cobra.(*Command).Execute(...)
  /go/src/github.com/openshift/oc/vendor/github.com/spf13/cobra/command.go:887
  main.main()
  /go/src/github.com/openshift/oc/cmd/oc/oc.go:110 +0x885

  goroutine 19 [chan receive]:
  k8s.io/klog/v2.(*loggingT).flushDaemon(0x4d37f20)
      /go/src/github.com/openshift/oc/vendor/k8s.io/klog/v2/klog.go:1131 +0x8b
  created by k8s.io/klog/v2.init.0
      /go/src/github.com/openshift/oc/vendor/k8s.io/klog/v2/klog.go:416 +0xd8
  
  goroutine 11 [chan receive]:
  k8s.io/klog.(*loggingT).flushDaemon(0x4d37e40)
      /go/src/github.com/openshift/oc/vendor/k8s.io/klog/klog.go:1010 +0x8b
  created by k8s.io/klog.init.0
      /go/src/github.com/openshift/oc/vendor/k8s.io/klog/klog.go:411 +0xd8
  
  goroutine 16 [select]:
  k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0x31cf578, 0x3488a60, 0xc001428090, 0x1, 0xc0001a8300)
  

  [...]
  /go/src/github.com/openshift/oc/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:81 +0x4f
  created by k8s.io/component-base/logs.InitLogs
  /go/src/github.com/openshift/oc/vendor/k8s.io/component-base/logs/logs.go:58 +0x8a

  goroutine 82 [select, 1 minutes]:
  io.(*pipe).Read(0xc00184a840, 0xc00142e000, 0x1000, 0x1000, 0x2aabea0, 0x1, 0xc00142e000)
      /opt/rh/go-toolset-1.15/root/usr/lib/go-toolset-1.15-golang/src/io/pipe.go:57 +0xe7
  io.(*PipeReader).Read(0xc000375aa0, 0xc00142e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
      /opt/rh/go-toolset-1.15/root/usr/lib/go-toolset-1.15-golang/src/io/pipe.go:134 +0x4c
  bufio.(*Scanner).Scan(0xc00183d400, 0x0)
      /opt/rh/go-toolset-1.15/root/usr/lib/go-toolset-1.15-golang/src/bufio/scan.go:214 +0xa9
  github.com/openshift/oc/pkg/cli/admin/mustgather.newPrefixWriter.func1(0xc00183d400, 0x348a480, 0xc00019a008, 0x2fe8b51, 0x17)
      /go/src/github.com/openshift/oc/pkg/cli/admin/mustgather/mustgather.go:424 +0x13e
  created by github.com/openshift/oc/pkg/cli/admin/mustgather.newPrefixWriter
      /go/src/github.com/openshift/oc/pkg/cli/admin/mustgather/mustgather.go:423 +0x1d0
  
  goroutine 85 [IO wait]:
  internal/poll.runtime_pollWait(0x7fd724141630, 0x72, 0x348d7a0)
  

  [...]
  /go/src/github.com/openshift/oc/vendor/golang.org/x/net/http2/transport.go:1794 +0xd8
  golang.org/x/net/http2.(ClientConn).readLoop(0xc001b1e480)
  /go/src/github.com/openshift/oc/vendor/golang.org/x/net/http2/transport.go:1716 +0x6f
  created by golang.org/x/net/http2.(Transport).newClientConn
  /go/src/github.com/openshift/oc/vendor/golang.org/x/net/http2/transport.go:695 +0x66e

• Container Image Registry Operator is degraded with error message reporting:

  Error from server: rpc error: code = ResourceExhausted desc = grpc: trying to send message larger than max (2199809298 vs. 2147483647)