pinning some of the npm packages to their specific versions

package-lock.json

@@ -10,12 +10,12 @@
       "license": "MIT",
       "dependencies": {
         "@ruffle-rs/ruffle": "0.2.0-nightly.2026.4.21",
-        "cloudflare-error-page": "^0.1.0",
+        "cloudflare-error-page": "0.1.0",
         "cuffeo": "git+https://git.lat/kibi/scuffeo.git",
         "flumm-fetch": "^1.0.1",
         "flummpress": "^2.0.5",
-        "jszip": "^3.10.1",
-        "marked": "^18.0.2",
+        "jszip": "3.10.1",
+        "marked": "18.0.2",
         "matrix-js-sdk": "^40.3.0-rc.0",
         "postgres": "^3.3.4"
       }