FF142 Animation.commitStyles() - does not require fill: forwards (#27421)

* FF142 Animation.commitStyles() - does not require fill: forwards

* Update api/Animation.json

* Update api/Animation.json

* Update api/Animation.json

Author: hamishwillee

api/Animation.json

@@ -177,6 +177,42 @@
             "standard_track": true,
             "deprecated": false
           }
+        },
+        "endpoint_inclusive_commitStyles": {
+          "__compat": {
+            "description": "`commitStyles()` automatically fills values",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/Animation/commitStyles",
+            "spec_url": "https://drafts.csswg.org/web-animations-1/#dom-animation-commitstyles",
+            "tags": [
+              "web-features:web-animations"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": false
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "142"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       },
       "currentTime": {