bump @atproto/api to 0.20.15 for reply lexicon

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

package.json

@@ -93,7 +93,7 @@
     "prettier": "prettier --check ."
   },
   "dependencies": {
-    "@atproto/api": "0.20.12",
+    "@atproto/api": "0.20.15",
     "@atproto/syntax": "0.6.1",
     "@bitdrift/react-native": "^0.6.8",
     "@braintree/sanitize-url": "^6.0.2",

pnpm-lock.yaml

@@ -242,8 +242,8 @@ importers:
   .:
     dependencies:
       '@atproto/api':
-        specifier: 0.20.12
-        version: 0.20.12
+        specifier: 0.20.15
+        version: 0.20.15
       '@atproto/syntax':
         specifier: 0.6.1
         version: 0.6.1
@@ -877,8 +877,8 @@ packages:
       graphql:
         optional: true
 
-  '@atproto/api@0.20.12':
-    resolution: {integrity: sha512-pNCrl/BSmkjlrVu0W5A9zkOVRIWdWAdajuHX/EyhDZFxu8HExsiQi6j46H5kv85GrNRXS/QtULE+ocSuMtEJfw==}
+  '@atproto/api@0.20.15':
+    resolution: {integrity: sha512-b9TuVNY9iWIaRXAeKegNCqRsK9tSpB68DE/j/ytVTxEMK+/m43B0DycJND9tnhRiNIY+i7MhwLqNHPak9YaDJg==}
     engines: {node: '>=22'}
 
   '@atproto/common-web@0.5.0':
@@ -9493,7 +9493,7 @@ snapshots:
 
   '@0no-co/graphql.web@1.2.0': {}
 
-  '@atproto/api@0.20.12':
+  '@atproto/api@0.20.15':
     dependencies:
       '@atproto/common-web': 0.5.0
       '@atproto/lexicon': 0.7.1