Identify, parse and remove some more uncertainty indicators

src/NodaUncertaintyHelper.php

@@ -44,6 +44,7 @@ final class NodaUncertaintyHelper {
         "Wahrscheinlich ",
         "wohl ",
         "Wohl ",
+        "?",
     ];
 
     const PERSINST_UNCERTAINTY_SUFFIXES = [
@@ -155,7 +156,10 @@ final class NodaUncertaintyHelper {
         "vermut. ",
         "vermtl. ",
         "vermutlich ",
+        "vermutlich: ",
         "Vermutlich ",
+        "Vermutlich: ",
+        "?",
     ];
 
     const PLACE_UNCERTAINTY_SUFFIXES = [