fix: stop crafted .eml headers from stalling the parser by moving to postal-mime 4.2

src/lib/__tests__/postal-mime-rn.test.ts

@@ -4,7 +4,7 @@ import PostalMime from 'postal-mime';
 // React Native's Blob only takes strings and other Blobs; building one from an
 // ArrayBuffer or typed array throws. postal-mime used to join every decoded
 // part through such a Blob, so an .eml with an attachment could not be
-// previewed on the device (patches/postal-mime+3.0.0.patch).
+// previewed on the device (patches/postal-mime+4.2.0.patch).
 class ReactNativeBlob {
   constructor(parts: unknown[] = []) {
     if (parts.some((p) => p instanceof ArrayBuffer || ArrayBuffer.isView(p))) {

src/lib/licences.json

@@ -150,7 +150,7 @@
     },
     {
       "name": "postal-mime",
-      "version": "3.0.0",
+      "version": "4.2.0",
       "license": "MIT-0",
       "url": "https://postal-mime.postalsys.com"
     },