Refresh flake.lock revisions and appimage versions

modules/core/packages/appimages/helium.nix

@@ -4,8 +4,8 @@
   fetchurl,
 }: let
   pname = "helium";
-  version = "0.19.4.1";
-  hash = "sha256-Wy2zkrPth/JKqESTYFnWisqYvCBUjqqg3s+jwoCioKc=";
+  version = "0.20.2.1";
+  hash = "sha256-rEkoQk0xyGP/86t1076HPfyS7eAOaIljTcvFiBoSA5c=";
 
   src = fetchurl {
     url = "https://github.com/imputnet/helium-linux/releases/download/${version}/helium-${version}-x86_64.AppImage";

modules/core/packages/appimages/losslesscut.nix

@@ -4,8 +4,8 @@
   fetchurl,
 }: let
   pname = "losslesscut";
-  version = "3.69.0";
-  hash = "sha256-F56q4nv/viWmVJpKcUR0EmtXwojO/DBwRvycYxOhJnY=";
+  version = "3.70.2";
+  hash = "sha256-6eoAyc9s3aENudnNE/ycoQ1hzcBGpg9e40DbZkMWSko=";
 
   src = fetchurl {
     url = "https://github.com/mifi/lossless-cut/releases/download/v${version}/LosslessCut-linux-x86_64.AppImage";