Update Timestamps and Generate Ebooks (#3379)

Co-authored-by: tunetheweb <tunetheweb@users.noreply.github.com>

Author: github-actions[bot]

src/config/last_updated.json

@@ -41,8 +41,8 @@
   },
   "/static/js/web-vitals.js": {
     "date_published": "2020-11-13T00:00:00.000Z",
-    "date_modified": "2023-04-03T00:00:00.000Z",
-    "hash": "ce6cd33b3f58914e6e9478e728e57420"
+    "date_modified": "2023-04-05T00:00:00.000Z",
+    "hash": "66e660642fbe7355520bca155685a25b"
   },
   "/static/js/webmentions.js": {
     "date_published": "2021-12-01T00:00:00.000Z",
@@ -1623,6 +1623,11 @@
     "date_modified": "2023-01-09T00:00:00.000Z",
     "hash": "ca1508a9d6926c7390286533bfad3855"
   },
+  "ja/2022/chapters/media.html": {
+    "date_published": "2023-04-05T00:00:00.000Z",
+    "date_modified": "2023-04-05T00:00:00.000Z",
+    "hash": "0841b96b9550aada0ca96c1ba297a702"
+  },
   "ja/2022/chapters/structured-data.html": {
     "date_published": "2023-02-08T00:00:00.000Z",
     "date_modified": "2023-02-08T00:00:00.000Z",