Update dependency @portabletext/toolkit to v2.0.18

Author: renovate[bot]

yarn.lock

@@ -474,11 +474,18 @@ __metadata:
   linkType: hard
 
 "@portabletext/toolkit@npm:^2.0.10":
-  version: 2.0.10
-  resolution: "@portabletext/toolkit@npm:2.0.10"
+  version: 2.0.18
+  resolution: "@portabletext/toolkit@npm:2.0.18"
   dependencies:
-    "@portabletext/types": "npm:^2.0.8"
-  checksum: e24334999ae6b598bf08311813f882a5f01f4126e6b323cfba8df5cf2d3abf01d010d0583a49b289c2c1034ce79b5e0667100cdb2041031796e62e7fa6dbddff
+    "@portabletext/types": "npm:^2.0.13"
+  checksum: 42778ad52d496a8956b1e4d10dcd3ce7d5f57f30a3c8a0ce8f8e73be91510227c5b68cbb19c31980c8ad99ae6b37ed267965ee381500019c52d5d12467510867
+  languageName: node
+  linkType: hard
+
+"@portabletext/types@npm:^2.0.13":
+  version: 2.0.15
+  resolution: "@portabletext/types@npm:2.0.15"
+  checksum: 383ca702340d69ba7355e2a02399c815d32f4e27b8d417aebfbd9bcd3fc49e5f15985f983913c1d0f3da8602297898e5704ed53f4adf5a446b9a3b132c25a8cb
   languageName: node
   linkType: hard