chore(codeowners): drop wildcard to stop Dependabot review pings (#13)

Author: hyperpolymath

.github/CODEOWNERS

@@ -8,9 +8,8 @@
 # Order matters: the last matching pattern takes precedence.
 # For more information: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
 
-# Default owners for everything in the repo
-* @hyperpolymath
-
+# Default owners for everything in the repo
+
 # Security-critical files (Perimeter 1) - require explicit security review
 /.github/workflows/      @hyperpolymath
 /.github/dependabot.yml  @hyperpolymath
@@ -39,4 +38,4 @@
 
 # Documentation (Perimeter 2-3) - can have broader ownership
 /docs/                   @hyperpolymath
-/README*                 @hyperpolymath
+/README*                 @hyperpolymath