deps: Bump com_github_rules_proto_grpc -> 4.6.0 (envoyproxy#31399)

Signed-off-by: Ryan Northey <[email protected]>

bazel/repository_locations.bzl

@@ -390,13 +390,13 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "Protobuf and gRPC rules for Bazel",
         project_desc = "Bazel rules for building Protobuf and gRPC code and libraries from proto_library targets",
         project_url = "https://github.com/rules-proto-grpc/rules_proto_grpc",
-        version = "4.5.0",
-        sha256 = "9ba7299c5eb6ec45b6b9a0ceb9916d0ab96789ac8218269322f0124c0c0d24e2",
+        version = "4.6.0",
+        sha256 = "2a0860a336ae836b54671cbbe0710eec17c64ef70c4c5a88ccfd47ea6e3739bd",
         strip_prefix = "rules_proto_grpc-{version}",
         urls = ["https://github.com/rules-proto-grpc/rules_proto_grpc/releases/download/{version}/rules_proto_grpc-{version}.tar.gz"],
         use_category = ["dataplane_ext"],
         extensions = ["envoy.transport_sockets.alts"],
-        release_date = "2023-09-12",
+        release_date = "2023-12-14",
         cpe = "N/A",
         license = "Apache-2.0",
         license_url = "https://github.com/rules-proto-grpc/rules_proto_grpc/blob/{version}/LICENSE",