fix: some astro type errors

pnpm-lock.yaml

@@ -26,6 +26,9 @@ dependencies:
   astro-imagetools:
     specifier: ^0.9.0
     version: 0.9.0(astro@4.5.5)
+  remark-toc:
+    specifier: ^9.0.0
+    version: 9.0.0
   svelte:
     specifier: ^4.2.12
     version: 4.2.12
@@ -1909,6 +1912,10 @@ packages:
       '@types/node': 17.0.45
     dev: true
 
+  /@types/ungap__structured-clone@0.3.3:
+    resolution: {integrity: sha512-RNmhIPwoip6K/zZOv3ypksTAqaqLEXvlNSXKyrC93xMSOAHZCR7PifW6xKZCwkbbnbM9dwB9X56PPoNTlNwEqw==}
+    dev: false
+
   /@types/unist@2.0.10:
     resolution: {integrity: sha512-IfYcSBWE3hLpBg8+X2SEa8LVkJdJEkT2Ese2aaLs3ptGdVtABxndrMaxuFlQ1qdFf9Q5rDvDpxI3WwgvKFAsQA==}
 
@@ -3988,6 +3995,18 @@ packages:
     dependencies:
       '@types/mdast': 4.0.3
 
+  /mdast-util-toc@7.0.0:
+    resolution: {integrity: sha512-C28UcSqjmnWuvgT8d97qpaItHKvySqVPAECUzqQ51xuMyNFFJwcFoKW77KoMjtXrclTidLQFDzLUmTmrshRweA==}
+    dependencies:
+      '@types/mdast': 4.0.3
+      '@types/ungap__structured-clone': 0.3.3
+      '@ungap/structured-clone': 1.2.0
+      github-slugger: 2.0.0
+      mdast-util-to-string: 4.0.0
+      unist-util-is: 6.0.0
+      unist-util-visit: 5.0.0
+    dev: false
+
   /mdn-data@2.0.30:
     resolution: {integrity: sha512-GaqWWShW4kv/G9IEucWScBx9G1/vsFZZJUO+tD26M8J8z3Kw5RDQjaoZe03YAClgeS/SWPOcb4nkFBTEi5DUEA==}
 
@@ -5041,6 +5060,13 @@ packages:
       mdast-util-to-markdown: 2.1.0
       unified: 11.0.4
 
+  /remark-toc@9.0.0:
+    resolution: {integrity: sha512-KJ9txbo33GjDAV1baHFze7ij4G8c7SGYoY8Kzsm2gzFpbhL/bSoVpMMzGa3vrNDSWASNd/3ppAqL7cP2zD6JIA==}
+    dependencies:
+      '@types/mdast': 4.0.3
+      mdast-util-toc: 7.0.0
+    dev: false
+
   /request-light@0.7.0:
     resolution: {integrity: sha512-lMbBMrDoxgsyO+yB3sDcrDuX85yYt7sS8BfQd11jtbW/z5ZWgLZRcEGLsLoYw7I0WSUGQBs8CC8ScIxkTX1+6Q==}
     dev: false