codeowners: add some missing directories

Change-Id: I22aa53074dedd822517a5e8dfa2f0a520d0000bb

OWNERS

@@ -17,6 +17,7 @@ per-file flake.lock=*
 per-file *.nix=*
 per-file Cargo.lock=*
 per-file Cargo.toml=*
+per-file version.json=*
 
 # Code style
 per-file .clang-tidy=*

bench/OWNERS

@@ -0,0 +1 @@
+*

contrib/OWNERS

@@ -0,0 +1 @@
+*

meson/OWNERS

@@ -0,0 +1,2 @@
+# build stuff
+*

nix-support/OWNERS

@@ -0,0 +1 @@
+*

perl/OWNERS

@@ -0,0 +1,2 @@
+# this is a cross between packaging and lix itself
+file:///lix/OWNERS