Fix determine changes detection of "code" changes (#9038)

Replaces https://github.com/astral-sh/ruff/pull/9035
Fixes https://github.com/astral-sh/ruff/pull/8225

The issue appears to be that `*/**` was used instead of `**/*` which did
not match _any_ changed file as desired

.github/workflows/ci.yaml

@@ -48,8 +48,8 @@ jobs:
               - "!crates/ruff_dev/**"
               - "!crates/ruff_shrinking/**"
               - scripts/*
-              - .github/workflows/ci.yaml
               - python/**
+              - .github/workflows/ci.yaml
 
             formatter:
               - Cargo.toml
@@ -68,7 +68,7 @@ jobs:
               - .github/workflows/ci.yaml
 
             code:
-              - "*/**"
+              - "**/*"
               - "!**/*.md"
               - "!docs/**"
               - "!assets/**"