Add lang{-ops}/edition/libs-api to process doc repos

There are process-related documents that live in the `rustc-dev-guide`
and in the `rust-forge` whose contents fall entirely within the
purview of lang, lang-ops, edition, and libs-api.  Let's add the
appropriate permissions to these repos for these teams.

Author: traviscross

repos/rust-lang/rust-forge.toml

@@ -11,8 +11,10 @@ crates-io = "maintain"
 docs-rs = "maintain"
 infra = "maintain"
 lang = "maintain"
+lang-ops = "maintain"
 leadership-council = "maintain"
 libs = "maintain"
+libs-api = "maintain"
 edition = "maintain"
 release = "maintain"
 triagebot = "maintain"

repos/rust-lang/rustc-dev-guide.toml

@@ -8,8 +8,12 @@ bots = ["rustbot"]
 bootstrap = "write"
 compiler = "write"
 wg-rustc-dev-guide = "maintain"
+edition = "write"
 infra = "write"
+lang = "write"
+lang-ops = "write"
 libs = "write"
+libs-api = "write"
 libs-contributors = "write"
 
 [[branch-protections]]