api/tests/twitter: update some test links to more popular ones

so that twitter doesn't require someone with an account to view the post before making it available for logged out access. really annoying & makes tests fail

api/src/util/tests/twitter.json

@@ -42,8 +42,8 @@
         }
     },
     {
-        "name": "picker: mixed media (3 videos)",
-        "url": "https://twitter.com/DankGameAlert/status/1584726006094794774",
+        "name": "picker: mixed media (video + image)",
+        "url": "https://x.com/PopCrave/status/1682176754792955905",
         "params": {
             "audioFormat": "mp3"
         },
@@ -149,7 +149,7 @@
     },
     {
         "name": "post with 4 images",
-        "url": "https://x.com/PopCrave/status/1816260887147114696",
+        "url": "https://x.com/PopCrave/status/1877880433242771717",
         "params": {},
         "expected": {
             "code": 200,