deps: Bump `com_github_bufbuild_buf` -> 1.23.1 (#28354)

Signed-off-by: Ryan Northey <ryan@synca.io>

Mirrored from https://github.com/envoyproxy/envoy @ e12283bea349b2bf833849321a27d0d04c333b14

bazel/repository_locations.bzl

@@ -131,11 +131,11 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "buf",
         project_desc = "A new way of working with Protocol Buffers.",  # Used for breaking change detection in API protobufs
         project_url = "https://buf.build",
-        version = "1.22.0",
-        sha256 = "d068c4c620d79f5576cfdae7e1c2989abd1dd3cb0f475b2cc5461dd7e786a8e4",
+        version = "1.23.1",
+        sha256 = "6ce820282bfbcd1e8c914616db45111e128491febb6d38fa2267da697b0865db",
         strip_prefix = "buf",
         urls = ["https://github.com/bufbuild/buf/releases/download/v{version}/buf-Linux-x86_64.tar.gz"],
-        release_date = "2023-06-23",
+        release_date = "2023-06-30",
         use_category = ["api"],
         license = "Apache-2.0",
         license_url = "https://github.com/bufbuild/buf/blob/v{version}/LICENSE",