Add PyPy 7.3.18

<https://pypy.org/posts/2025/02/pypy-v7318-release.html>

Author: jwodder

pyversion-info-data.v1.json

@@ -1,5 +1,5 @@
 {
-    "last_modified": "2025-01-29T20:05:51+00:00",
+    "last_modified": "2025-02-06T13:03:20+00:00",
     "cpython": {
         "release_dates": {
             "0.9.0": "1991-02-20",
@@ -356,7 +356,8 @@
             "7.3.14": "2023-12-25",
             "7.3.15": "2024-01-15",
             "7.3.16": "2024-04-24",
-            "7.3.17": "2024-08-28"
+            "7.3.17": "2024-08-28",
+            "7.3.18": "2025-02-06"
         },
         "cpython_versions": {
             "1.6.0": [
@@ -577,6 +578,11 @@
             "7.3.17": [
                 "2.7.18",
                 "3.10.14"
+            ],
+            "7.3.18": [
+                "2.7.18",
+                "3.10.19",
+                "3.11.11"
             ]
         }
     }