chore: update notices to use generic software reference

Author: Huzaif Mushtaq Mir

THIRD-PARTY-NOTICES.txt

@@ -1,8 +1,8 @@
-lexfloatclient-python uses third-party libraries or other resources that may be
-distributed under licenses different than the lexfloatclient-python.
+This software uses third-party libraries or other resources that may be
+distributed under licenses different from this software.
 
 In the event that we accidentally failed to list a required notice, please
-bring it to our attention. Post an issue or email us:
+bring it to our attention by emailing us at:
 
            support@cryptlex.com