Bump to the privacypass branch that fixes the Ristretto thing

privacypass-repo.nix

@@ -2,7 +2,7 @@
 fetchFromGitHub {
   owner = "LeastAuthority";
   repo = "privacypass";
-  rev = "5126376574ac126d2cdcd0612ef0ed65ef7bca6e";
-  sha256 = "sha256:1b53315qf3yp9mzrx7nmmqj9gia211yhrzg31jp8ny10w6vgbxmn";
+  rev = "e33439f6231660984e7523e30e4089fa8e62defe";
+  sha256 = "0vvm5kk1bghx8i7vbb20amj39n6v492y589mq9ap1dpzv2nv69ii";
   fetchSubmodules = true;
 }