fix(deps): update module google.golang.org/grpc to v1.56.2 (#738)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [google.golang.org/grpc](https://togithub.com/grpc/grpc-go) | require
| patch | `v1.56.1` -> `v1.56.2` |

---

### Release Notes

<details>
<summary>grpc/grpc-go (google.golang.org/grpc)</summary>

### [`v1.56.2`](https://togithub.com/grpc/grpc-go/releases/tag/v1.56.2):
Release 1.56.2

[Compare
Source](https://togithub.com/grpc/grpc-go/compare/v1.56.1...v1.56.2)

- status: To fix a panic, `status.FromError` now returns an error with
`codes.Unknown` when the error implements the `GRPCStatus()` method, and
calling `GRPCStatus()` returns `nil`.
([#&#8203;6374](https://togithub.com/grpc/grpc-go/issues/6374))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/open-feature/flagd).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xNTkuNyIsInVwZGF0ZWRJblZlciI6IjM1LjE1OS43IiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

core/go.mod

@@ -34,7 +34,7 @@ require (
  golang.org/x/mod v0.12.0
  golang.org/x/net v0.11.0
  golang.org/x/sync v0.3.0
- google.golang.org/grpc v1.56.1
+ google.golang.org/grpc v1.56.2
  google.golang.org/protobuf v1.31.0
  gopkg.in/yaml.v3 v3.0.1
  k8s.io/apimachinery v0.27.3

core/go.sum

@@ -1321,6 +1321,8 @@ google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
 google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/grpc v1.56.1 h1:z0dNfjIl0VpaZ9iSVjA6daGatAYwPGstTjt5vkRMFkQ=
 google.golang.org/grpc v1.56.1/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
+google.golang.org/grpc v1.56.2 h1:fVRFRnXvU+x6C4IlHZewvJOVHoOv1TUuQyoRsYnB4bI=
+google.golang.org/grpc v1.56.2/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=