chore: use released rules_proto 6

Author: alexeagle

MODULE.bazel

@@ -7,7 +7,7 @@ module(
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.4.1")
-bazel_dep(name = "rules_proto", version = "6.0.0-rc2")
+bazel_dep(name = "rules_proto", version = "6.0.0")
 bazel_dep(name = "platforms", version = "0.0.8")
 
 protoc = use_extension("//protoc:extensions.bzl", "protoc")

README.md

@@ -17,13 +17,19 @@ Using Protocol Buffers with Bazel has always been difficult.
 
 ## Support matrix
 
+Minimum versions:
+- Bazel: 7.0.0
+- rules_proto: 6.0.0
+
 | Language | Support | Example or Issue |
 |----------|---------|------------------|
 | Java     | Yes     | [example](./examples/java) |
 | Python   | Yes     | [example](./examples/python) |
 | Rust     |         | https://github.com/bazelbuild/rules_rust/issues/2627 |
 | Go       |         | https://github.com/bazelbuild/rules_go/issues/3895 |
 
+Your language missing? Please file the upstream issue and send a PR to update this table!
+
 ## Installation
 
 Fetch this module using instructions from the release you wish to use: