📌(e2e) pin pdf-parse to 1.1.1

pdf-parse was not pinned to a specific version.
This could lead to unexpected behavior
if the package is updated.
This change pins pdf-parse to version 1.1.1.

Author: AntoLC

src/frontend/apps/e2e/package.json

@@ -21,6 +21,6 @@
   "dependencies": {
     "convert-stream": "1.0.2",
     "jsdom": "24.1.1",
-    "pdf-parse": "^1.1.1"
+    "pdf-parse": "1.1.1"
   }
 }