update etcd, grpc, protobuf dependencies

[liggitt]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Fixes #93320

Updates to a version of github.com/golang/protobuf that resolves immediate gogo protobuf incompatibilities as a short-term fix (https://go-review.googlesource.com/c/protobuf/+/300869/).

Update protobuf,grpc,etcd dependencies

1. Updated etcd/protobuf/grpc dependencies:

   echo "
   hack/pin-dependency.sh github.com/golang/protobuf latest
   hack/pin-dependency.sh google.golang.org/protobuf latest
   hack/pin-dependency.sh go.etcd.io/etcd/api/v3 v3.5.0-rc.0
   hack/pin-dependency.sh go.etcd.io/etcd/client/v3 v3.5.0-rc.0
   hack/pin-dependency.sh go.etcd.io/etcd/client/pkg/v3 v3.5.0-rc.0
   hack/pin-dependency.sh go.etcd.io/etcd/pkg/v3 v3.5.0-rc.0
   hack/pin-dependency.sh go.etcd.io/etcd/server/v3 v3.5.0-rc.0
   hack/pin-dependency.sh go.etcd.io/etcd/tests/v3 v3.5.0-rc.0
   hack/pin-dependency.sh google.golang.org/grpc latest
   " | bash
   

2. Linted transitive dependencies until versions are clean:

   hack/lint-dependencies.sh  | grep "  hack/pin-dependency.sh" | bash
   

3. Linted dependencies until dropped versions are clean:

   hack/lint-dependencies.sh  | grep "dropreplace" | bash
   

4. Updated vendor and internal modules:

   hack/update-vendor.sh
   hack/update-internal-modules.sh
   

Repeated steps 2-4 until clean

Commit reviews by area:

• storage (@msau42 - update etcd, grpc, protobuf dependencies #100488 (comment))
  • Fix CSI mock driver to get marshaleable grpc error
• api-machinery / etcd (@ptabor - update etcd, grpc, protobuf dependencies #100488 (review))
  • Drop etcd v2 support from etcd migration image
  • Drop etcd v2 support from test util
  • Switch to non-deprecated timestamppb.Now()
  • Switch to go.etcd.io/etcd/client/v3
  • Drop use of deprecated clientv3.SetLogger
  • Quiet embedded etcd logs
  • Eliminate parallel and unnecessary embedded etcd instances (best reviewed ignoring whitespace changes)
• api-machinery/network proxy (@Jefftree)
  • Exercise egress configuration in local-up-cluster
  • Fix etcd egress dialer addr parsing
• code-organization (@dims - update etcd, grpc, protobuf dependencies #100488 (comment))
  • Update protobuf,grpc,etcd dependencies

before merge:

• wait for 1.22
• get review of CSI mock driver change by sig-storage - update etcd, grpc, protobuf dependencies #100488 (comment)
• wait for bbolt 1.3.6 (bbolt 1.3.6 release plan etcd-io/bbolt#278)

post-merge:

• update to etcd v3.5.0+ release - Update to etcd v3.5.0 client #102897
• switch use of integration server to direct use of embedded server - Simplify embedded etcd server #102883

/milestone v1.22
/cc @dims

The etcd client has been updated to 3.5.0; github.com/golang/protobuf, google.golang.org/protobuf, and google.golang.org/grpc have been updated to current versions.