vim: correct sha256 of vue vim plugin

This issue was masked by fetchFromGithub being a fixed output
derivation. If the sha256 doesn't change, it won't try to refetch
anything.
See https://discourse.nixos.org/t/does-fetchfromgithub-ignore-rev-when-a-derivation-with-equivalent-sha256-is-present/8752/2

home/vim-dev/default.nix

@@ -10,7 +10,7 @@
       owner = "leafOfTree";
       repo = "vim-vue-plugin";
       rev = "b2bb4dd8f6d97909c48bc33937177d4068921a10";
-      sha256 = "hstEInKVFra1g47p6wKA7uCDBwXpoZ3iJz/ZaRjB34Q=";
+      sha256 = "eBfMxt5AaSCHzU7PFp7eWZhGY8l3EqeMLrU0ntB6eLA=";
     };
   };
 in {