texpresso/tectonic: Fix cargoHash

Hash mismatch was caused by NixOS#333143.

The build error message contains:

    Validating consistency between /build/source/Cargo.lock and /build/texpresso-tonic-0.15.0-vendor.tar.gz/Cargo.lock
    2372d2371
    <  "time",
    2707c2706
    < version = "0.3.36"
    ---
    > version = "0.3.34"
    ...
    ERROR: cargoHash or cargoSha256 is out of date

Fixes NixOS#334648.

pkgs/tools/typesetting/tex/texpresso/tectonic.nix

@@ -10,7 +10,7 @@ tectonic-unwrapped.override (old: {
         hash = "sha256-ap7fEPHsASAphIQkjcvk1CC7egTdxaUh7IpSS5os4W8=";
         fetchSubmodules = true;
       };
-      cargoHash = "sha256-62sxvPIiY3len1wsl7QelK3u4ekftIjcTqoIGZMYb5A=";
+      cargoHash = "sha256-g4iBo8r+QUOcFJ3CI2+HOi4VHxU7jKnIWlJcKx/6r5E=";
       # binary has a different name, bundled tests won't work
       doCheck = false;
       meta.mainProgram = "texpresso-tonic";