revert: chore(deps): update dependencies across all runtime environments

This partially reverts commit 833f78d
(#767). The deno fmt reformatting of markdown/html files is kept on
main; the dependency updates and the ohttp fix are reverted here and
will be resubmitted as a dedicated topic branch.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: dajiaji

deno.jsonc

@@ -37,14 +37,14 @@
   // Import map for dependencies used across the project
   "imports": {
     "@dajiaji/bhttp": "jsr:@dajiaji/bhttp@^0.3.6",
-    "@dajiaji/mlkem": "jsr:@dajiaji/mlkem@^2.7.0",
+    "@dajiaji/mlkem": "jsr:@dajiaji/mlkem@^2.5.0",
     "@deno/dnt": "jsr:@deno/dnt@0.41.3",
-    "@playwright/test": "npm:@playwright/test@^1.61.1",
-    "playwright": "npm:playwright@^1.61.1",
-    "playwright-core": "npm:playwright-core@^1.61.1",
+    "@playwright/test": "npm:@playwright/test@^1.58.2",
+    "playwright": "npm:playwright@^1.58.2",
+    "playwright-core": "npm:playwright-core@^1.58.2",
     "@std/assert": "jsr:@std/assert@1.0.0",
-    "@std/fs": "jsr:@std/fs@1.0.24",
-    "@std/path": "jsr:@std/path@1.1.6",
+    "@std/fs": "jsr:@std/fs@1.0.14",
+    "@std/path": "jsr:@std/path@1.0.8",
     "@std/testing/bdd": "jsr:@std/testing@1.0.9/bdd"
   },
   // Code formatting configuration

deno.lock

@@ -1,7 +1,7 @@
 {
   "imports": {
     "@dajiaji/bhttp": "npm:bhttp-js@^0.3.6",
-    "@dajiaji/mlkem": "npm:mlkem@^2.7.0",
+    "@dajiaji/mlkem": "npm:mlkem@^2.5.0",
     "@deno/dnt": "jsr:@deno/dnt@0.41.3",
     "@hpke/chacha20poly1305": "npm:@hpke/chacha20poly1305@^1.8.0",
     "@hpke/common": "npm:@hpke/common@^1.10.0",