ci(triagebot): make all license files trigger "A-meta" label

Also add some other proper files to the trigger list of this label.

Author: ismailarilik

triagebot.toml

@@ -409,8 +409,14 @@ trigger_files = [
     "triagebot.toml",
     "rustfmt.toml",
     "LICENSES",
+    "COPYRIGHT",
+    "LICENSE-APACHE",
+    "LICENSE-MIT",
+    "CODE_OF_CONDUCT.md",
     "README.md",
     "CONTRIBUTING.md",
+    "INSTALL.md",
+    "REUSE.toml",
     ".reuse",
     ".mailmap",
     ".git-blame-ignore-revs",