[test] Migrate cctest/test-temporal-parser to unittests/

Bug: v8:12781
Change-Id: I281047a0606b8f709a930998ef7e7a53f780f59d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3840146Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Feng Yu <f3n67u@gmail.com>
Cr-Commit-Position: refs/heads/main@{#82725}

test/cctest/BUILD.gn

@@ -203,7 +203,6 @@ v8_source_set("cctest_sources") {
     "test-swiss-name-dictionary-csa.cc",
     "test-swiss-name-dictionary-infra.cc",
     "test-swiss-name-dictionary.cc",
-    "test-temporal-parser.cc",
     "test-trace-event.cc",
     "test-transitions.cc",
     "test-transitions.h",

test/unittests/BUILD.gn

@@ -500,6 +500,7 @@ v8_source_set("unittests_sources") {
     "strings/unicode-unittest.cc",
     "tasks/background-compile-task-unittest.cc",
     "tasks/cancelable-tasks-unittest.cc",
+    "temporal/temporal-parser-unittest.cc",
     "test-helpers.cc",
     "test-helpers.h",
     "test-utils.cc",