Python: Update all .expected files

I'm beginning to realise why I didn't do the `toString` overriding way
back when. Thankfully, now that all of our tests are in the same place,
this is actually not a terrible ordeal.

python/ql/test/3/extractor-tests/fstrings3.8/Locations.expected

@@ -1,40 +1,40 @@
 | 1 | 1 | 1 | 3 | foo |
 | 1 | 7 | 1 | 7 | IntegerLiteral |
 | 3 | 1 | 3 | 3 | bar |
-| 3 | 7 | 3 | 11 | Str |
+| 3 | 7 | 3 | 11 | StringLiteral |
 | 4 | 1 | 4 | 5 | print |
 | 4 | 1 | 4 | 16 | print() |
-| 4 | 7 | 4 | 9 | Str |
+| 4 | 7 | 4 | 9 | StringLiteral |
 | 4 | 7 | 4 | 15 | Fstring |
 | 4 | 10 | 4 | 12 | foo |
-| 4 | 14 | 4 | 15 | Str |
+| 4 | 14 | 4 | 15 | StringLiteral |
 | 5 | 1 | 5 | 5 | print |
 | 5 | 1 | 5 | 18 | print() |
-| 5 | 7 | 5 | 9 | Str |
+| 5 | 7 | 5 | 9 | StringLiteral |
 | 5 | 7 | 5 | 17 | Fstring |
 | 5 | 10 | 5 | 12 | foo |
-| 5 | 16 | 5 | 17 | Str |
+| 5 | 16 | 5 | 17 | StringLiteral |
 | 6 | 1 | 6 | 5 | print |
 | 6 | 1 | 6 | 24 | print() |
-| 6 | 7 | 6 | 9 | Str |
+| 6 | 7 | 6 | 9 | StringLiteral |
 | 6 | 7 | 6 | 23 | Fstring |
 | 6 | 10 | 6 | 12 | bar |
 | 6 | 10 | 6 | 18 | Attribute |
 | 6 | 10 | 6 | 20 | Attribute() |
-| 6 | 22 | 6 | 23 | Str |
+| 6 | 22 | 6 | 23 | StringLiteral |
 | 7 | 1 | 7 | 5 | print |
 | 7 | 1 | 7 | 23 | print() |
-| 7 | 7 | 7 | 10 | Str |
+| 7 | 7 | 7 | 10 | StringLiteral |
 | 7 | 7 | 7 | 22 | Fstring |
 | 7 | 11 | 7 | 13 | foo |
-| 7 | 20 | 7 | 22 | Str |
+| 7 | 20 | 7 | 22 | StringLiteral |
 | 8 | 1 | 8 | 5 | print |
 | 8 | 1 | 8 | 37 | print() |
-| 8 | 7 | 8 | 10 | Str |
+| 8 | 7 | 8 | 10 | StringLiteral |
 | 8 | 7 | 8 | 36 | Fstring |
 | 8 | 11 | 8 | 13 | foo |
-| 8 | 20 | 8 | 21 | Str |
+| 8 | 20 | 8 | 21 | StringLiteral |
 | 8 | 22 | 8 | 24 | bar |
 | 8 | 22 | 8 | 30 | Attribute |
 | 8 | 22 | 8 | 32 | Attribute() |
-| 8 | 34 | 8 | 36 | Str |
+| 8 | 34 | 8 | 36 | StringLiteral |