Add fetchLater spec URLs (#27438)

Author: tunetheweb

api/FetchLaterResult.json

@@ -3,6 +3,7 @@
     "FetchLaterResult": {
       "__compat": {
         "mdn_url": "https://developer.mozilla.org/docs/Web/API/FetchLaterResult",
+        "spec_url": "https://fetch.spec.whatwg.org/#fetchlaterresult",
         "tags": [
           "web-features:fetchlater"
         ],

api/Window.json

@@ -1649,6 +1649,8 @@
       },
       "fetchLater": {
         "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/fetchLater",
+          "spec_url": "https://fetch.spec.whatwg.org/#deferred-fetch",
           "tags": [
             "web-features:fetchlater"
           ],

http/headers/Feature-Policy.json

@@ -351,6 +351,7 @@
         "deferred-fetch": {
           "__compat": {
             "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch",
+            "spec_url": "https://fetch.spec.whatwg.org/#available-deferred-fetch-quota",
             "tags": [
               "web-features:fetchlater"
             ],
@@ -385,6 +386,7 @@
         "deferred-fetch-minimal": {
           "__compat": {
             "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch-minimal",
+            "spec_url": "https://fetch.spec.whatwg.org/#available-deferred-fetch-quota",
             "tags": [
               "web-features:fetchlater"
             ],

http/headers/Permissions-Policy.json

@@ -384,6 +384,7 @@
         "deferred-fetch": {
           "__compat": {
             "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch",
+            "spec_url": "https://fetch.spec.whatwg.org/#available-deferred-fetch-quota",
             "tags": [
               "web-features:fetchlater"
             ],
@@ -418,6 +419,7 @@
         "deferred-fetch-minimal": {
           "__compat": {
             "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch-minimal",
+            "spec_url": "https://fetch.spec.whatwg.org/#available-deferred-fetch-quota",
             "tags": [
               "web-features:fetchlater"
             ],