Improve terminology for internal promise state

Per the spec [1], a resolved promise may be “pending, fulfilled, or
rejected”, but previously V8 incorrectly used the term “resolved”
instead of “fulfilled”. This change is user-observable through the
`d8` REPL and the DevTools Console.

Corresponding DevTools CL:
https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2141673

Corresponding Chromium CL:
https://chromium-review.googlesource.com/c/chromium/src/+/2144095

[1]: https://tc39.es/ecma262/#sec-properties-of-promise-instances

Bug: v8:6751, v8:5416
Change-Id: I6c5302c280d01cf681c6358add3d2e88fbffa36f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2144011
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67086}

src/objects/objects.cc

@@ -5889,7 +5889,7 @@ void JSPromise::set_status(Promise::PromiseState status) {
 const char* JSPromise::Status(v8::Promise::PromiseState status) {
   switch (status) {
     case v8::Promise::kFulfilled:
-      return "resolved";
+      return "fulfilled";
     case v8::Promise::kPending:
       return "pending";
     case v8::Promise::kRejected:

test/inspector/debugger/object-preview-internal-properties-expected.txt

@@ -42,7 +42,7 @@ expression: Promise.resolve(42)
 {
     name : [[PromiseStatus]]
     type : string
-    value : resolved
+    value : fulfilled
 }
 {
     name : [[PromiseValue]]
@@ -251,7 +251,7 @@ expression: Promise.resolve(42)
 {
     name : [[PromiseStatus]]
     type : string
-    value : resolved
+    value : fulfilled
 }
 {
     name : [[PromiseValue]]

test/inspector/runtime/internal-properties-expected.txt

@@ -163,7 +163,7 @@ expression: Promise.resolve(42)
                 name : [[PromiseStatus]]
                 value : {
                     type : string
-                    value : resolved
+                    value : fulfilled
                 }
             }
             [1] : {

test/inspector/runtime/remote-object-expected.txt

@@ -1567,7 +1567,7 @@ Running test: testPromise
                 [0] : {
                     name : [[PromiseStatus]]
                     type : string
-                    value : resolved
+                    value : fulfilled
                 }
                 [1] : {
                     name : [[PromiseValue]]