Update some dependencies.

Signed-off-by: Steffen Smolka <[email protected]>

Author: smolkaj

proto/p4runtime_deps.bzl

@@ -8,16 +8,16 @@ def p4runtime_deps():
     if not native.existing_rule("com_google_protobuf"):
         http_archive(
             name = "com_google_protobuf",
-            url = "https://github.com/protocolbuffers/protobuf/archive/refs/tags/v28.2.tar.gz",
-            strip_prefix = "protobuf-28.2",
-            sha256 = "b2340aa47faf7ef10a0328190319d3f3bee1b24f426d4ce8f4253b6f27ce16db",
+            url = "https://github.com/protocolbuffers/protobuf/archive/refs/tags/v29.1.tar.gz",
+            strip_prefix = "protobuf-29.1",
+            # sha256 = "b2340aa47faf7ef10a0328190319d3f3bee1b24f426d4ce8f4253b6f27ce16db",
         )
     if not native.existing_rule("rules_proto"):
         http_archive(
             name = "rules_proto",
-            sha256 = "6fb6767d1bef535310547e03247f7518b03487740c11b6c6adb7952033fe1295",
-            strip_prefix = "rules_proto-6.0.2",
-            url = "https://github.com/bazelbuild/rules_proto/releases/download/6.0.2/rules_proto-6.0.2.tar.gz",
+            # sha256 = "6fb6767d1bef535310547e03247f7518b03487740c11b6c6adb7952033fe1295",
+            strip_prefix = "rules_proto-7.0.2",
+            url = "https://github.com/bazelbuild/rules_proto/releases/download/7.0.2/rules_proto-7.0.2.tar.gz",
         )
     if not native.existing_rule("io_bazel_rules_go"):
         http_archive(
@@ -37,9 +37,9 @@ def p4runtime_deps():
     if not native.existing_rule("com_github_grpc_grpc"):
         http_archive(
             name = "com_github_grpc_grpc",
-            url = "https://github.com/grpc/grpc/archive/refs/tags/v1.67.0.tar.gz",
-            strip_prefix = "grpc-1.67.0",
-            sha256 = "af0638f73e4452e22e295f8b3f452518234254104713a08497f3d3aaa76733ad",
+            url = "https://github.com/grpc/grpc/archive/refs/tags/v1.68.0.tar.gz",
+            strip_prefix = "grpc-1.68.0",
+            # sha256 = "af0638f73e4452e22e295f8b3f452518234254104713a08497f3d3aaa76733ad",
         )
     if not native.existing_rule("bazel_skylib"):
         http_archive(