GUACAMOLE-2139: Migrate all license information to new automated format.

doc/licenses/apache-commons-text/NOTICE.txt

@@ -0,0 +1,12 @@
+# Name:    Apache Commons Text
+# URL:     https://commons.apache.org/proper/commons-text/
+# From:    'Apache Software Foundation' (https://www.apache.org/)
+# License: Apache v2.0
+#
+# --- BEGIN LICENSE FILE ---
+Apache Commons Text
+Copyright 2014-2023 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (https://www.apache.org/).
+# --- END LICENSE FILE ---