fix broken test due to error message change

Summary:
## Context
The error message in folly dynamic has been updated in D62136190. Updating related tests to reflect the change.

## Diff
Only test code is changed. No business logic change.

## Changelog:
[Internal] [Fixed] - Fix broken unit test due to folly error message change

X-link: facebook/react-native#46329

```
Shows details about the selected run from the run history
Run result
java.lang.AssertionError: Test failure
Test Case RecoverableError
* Running RecoverableError.RunRethrowingAsRecoverableRecoverTest
* Running RecoverableError.RunRethrowingAsRecoverableFallthroughTest
2/2 tests passed.
Test Case JsArgumentHelpersTest
* Running JsArgumentHelpersTest.args
***** Failure in xplat/js/react-native-github/packages/react-native/ReactCommon/cxxreact/tests/jsarg_helpers.cpp:108
Expected equality of these values:
  ex.what()
    Which is: "Error converting javascript arg 4 to C++: TypeError: expected dynamic type 'int/double/bool/string', but had type 'array'"
  std::string("Error converting javascript arg 4 to C++: " "TypeError: expected dynamic type `int/double/bool/string', but had type `array'")
    Which is: "Error converting javascript arg 4 to C++: TypeError: expected dynamic type `int/double/bool/string', but had type `array'"

0/1 tests passed.
Test Case JSBigFileString
```

Reviewed By: yfeldblum

Differential Revision: D62184078

fbshipit-source-id: 6ae0a33f58e0e10f14166084b80a997e59a008ec

folly/json/test/DynamicParserTest.cpp

@@ -273,7 +273,7 @@ TEST(TestDynamicParser, TestRequiredOptionalParseErrors) {
   };
   // clang-format off
   EXPECT_EQ(dynamic(dynamic::object("nested", dynamic::object
-    ("x", get_expected_error_fn("x", "TypeError: .* but had type `array'"))
+    ("x", get_expected_error_fn("x", "TypeError: .* but had type 'array'"))
     ("y", get_expected_error_fn("y", ".*Invalid leading character.*"))
     ("z", get_expected_error_fn("z", "CUSTOM")))), errors);
   // clang-format on
@@ -311,7 +311,7 @@ TEST(TestDynamicParser, TestItemParseErrors) {
       },
       "string",
       "string",
-      "TypeError: .* but had type `array'");
+      "TypeError: .* but had type 'array'");
   checkItemParseError(
       dynamic::array("this is not a bool"),
       [&](DynamicParser& p) { p.arrayItems([&](int64_t, bool) {}); },