Update Flow to 0.256 (facebook#34252)

Looks like these versions didn't require changes, so easy fast forward.

Author: kassens

package.json

@@ -73,8 +73,8 @@
     "eslint-plugin-react-internal": "link:./scripts/eslint-rules",
     "fbjs-scripts": "^3.0.1",
     "filesize": "^6.0.1",
-    "flow-bin": "^0.248",
-    "flow-remove-types": "^2.248",
+    "flow-bin": "^0.256",
+    "flow-remove-types": "^2.256",
     "glob": "^7.1.6",
     "glob-stream": "^6.1.0",
     "google-closure-compiler": "^20230206.0.0",

yarn.lock

@@ -9108,12 +9108,12 @@ flatted@^3.2.9:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.3.1.tgz#21db470729a6734d4997002f439cb308987f567a"
   integrity sha512-X8cqMLLie7KsNUDSdzeN8FYK9rEt4Dt67OsG/DNGnYTSDBG4uFAJFBnUeiV+zCVAvwFy56IjM9sH51jVaEhNxw==
 
-flow-bin@^0.248:
-  version "0.248.1"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.248.1.tgz#1d1e78ac8a1b8024dda5582b4832b605a00c16bd"
-  integrity sha512-WnISMV7p4rRY2LIMGnryR7Pnml9wFs0bTdniI1Dj2dXIJigOGfV74FjhMG7BmZkuKztNxlTvK56zpuhpcne+sg==
+flow-bin@^0.256:
+  version "0.256.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.256.0.tgz#0cddc3b665b8e9cae34eb5896c8429d0f2961fdf"
+  integrity sha512-ujKn6fRfx9SujbqBLhT/lxFsXRsRDgrot2UuNhw4Z5W3QlVn4teV+7rBhs87FVHSnRvZeFAMKHHYYahWYw5W4w==
 
-flow-remove-types@^2.248:
+flow-remove-types@^2.256:
   version "2.279.0"
   resolved "https://registry.yarnpkg.com/flow-remove-types/-/flow-remove-types-2.279.0.tgz#3a3388d9158eba0f82c40d80d31d9640b883a3f5"
   integrity sha512-bPFloMR/A2b/r/sIsf7Ix0LaMicCJNjwhXc4xEEQVzJCIz5u7C7XDaEOXOiqveKlCYK7DcBNn6R01Cbbc9gsYA==