additional support for PrettyTables v3

thanks @disberd

Author: tpapp

Project.toml

@@ -1,7 +1,7 @@
 name = "LocalCoverage"
 uuid = "5f6e1e16-694c-5876-87ef-16b5274f298e"
 authors = ["Tamas K. Papp <[email protected]>"]
-version = "0.8.4"
+version = "0.8.5"
 
 [deps]
 Coverage = "a2441757-f6aa-5fb2-8edb-039e3f45d037"