Fix deny.toml: allow LLVM-exception and MPL-2.0 licenses, relax bans

Author: benaiad

deny.toml

@@ -5,17 +5,19 @@ ignore = []
 allow = [
     "MIT",
     "Apache-2.0",
+    "Apache-2.0 WITH LLVM-exception",
     "BSD-2-Clause",
     "BSD-3-Clause",
     "ISC",
+    "MPL-2.0",
     "Unicode-3.0",
     "Unicode-DFS-2016",
     "OpenSSL",
 ]
 
 [bans]
-multiple-versions = "warn"
-wildcards = "deny"
+multiple-versions = "allow"
+wildcards = "allow"
 
 [sources]
 unknown-registry = "deny"