fix: import current version of fresh (#3020)

Previously, all packages except `@fresh/core` and even some tests
might've imported `jsr:@fresh/core@^2.0.0-alpha.29` rather than the
latest version of Fresh. This PR fixes that.

Author: iuioiua

deno.json

@@ -49,7 +49,7 @@
     "@std/uuid": "jsr:@std/uuid@^1.0.7",
     "esbuild": "npm:esbuild@^0.25.5",
     "esbuild-wasm": "npm:esbuild-wasm@^0.25.5",
-    "fresh": "jsr:@fresh/core@^2.0.0-alpha.29",
+    "fresh": "jsr:@fresh/core@^2.0.0-alpha.37",
     "preact": "npm:preact@^10.26.9",
     "preact-render-to-string": "npm:preact-render-to-string@^6.5.11",
     "$ga4": "https://raw.githubusercontent.com/denoland/ga4/main/mod.ts",
@@ -83,9 +83,6 @@
 
     "@fresh/plugin-tailwind": "jsr:@fresh/plugin-tailwind@^0.0.1-alpha.7",
     "@std/front-matter": "jsr:@std/front-matter@^1.0.5",
-    "fresh/compat": "./src/compat/mod.ts",
-    "fresh/dev": "./src/dev/mod.ts",
-    "fresh/runtime": "./src/runtime/shared.ts",
     "github-slugger": "npm:github-slugger@^2.0.0",
     "imagescript": "https://deno.land/x/imagescript@1.3.0/mod.ts",
     "marked": "npm:marked@^15.0.11",