chore: Update cargo-deny configuration to version 2

deny.toml

@@ -1,10 +1,9 @@
-
+[graph]
 # If true, metadata will be collected with `--all-features`.
 all-features = true
 
 [licenses]
-# The lint level for crates which do not have a detectable license
-unlicensed = "deny"
+version = 2
 
 # List of explicitly allowed licenses
 allow = [
@@ -16,6 +15,7 @@ allow = [
     "BSD-3-Clause",
     "ISC",
     "Unicode-DFS-2016",
+    "Unicode-3.0",
     "MPL-2.0",
     "BSL-1.0",
     "CC0-1.0",
@@ -23,13 +23,6 @@ allow = [
     "LicenseRef-UFL-1.0",
 ]
 
-# List of explicitly disallowed licenses
-deny = [
-    "GPL-1.0",
-    "GPL-2.0",
-    "GPL-3.0",
-]
-
 # Some crates don't have (easily) machine readable licensing information,
 # adding a clarification entry for it allows you to manually specify the
 # licensing information.
@@ -72,3 +65,6 @@ unknown-git = "deny"
 github = [
     "ruffle-rs",
 ]
+
+[advisories]
+version = 2