github: update discord versions

- linux: canary: 0.0.706 -> 0.0.709
- darwin: canary: 0.0.812 -> 0.0.815

Author: github-actions[bot]

pkgs/discord.nix

@@ -86,13 +86,13 @@ let
     linux = {
       stable = "0.0.100";
       ptb = "0.0.150";
-      canary = "0.0.706";
+      canary = "0.0.709";
       development = "0.0.83";
     };
     darwin = {
       stable = "0.0.352";
       ptb = "0.0.180";
-      canary = "0.0.812";
+      canary = "0.0.815";
       development = "0.0.96";
     };
   };
@@ -109,7 +109,7 @@ let
       };
       canary = fetchurl {
         url = "https://canary.dl2.discordapp.net/apps/linux/${versions.linux.canary}/discord-canary-${versions.linux.canary}.tar.gz";
-        hash = "sha256-uhkZl9Yc6iZsHSXYWcPCUJA5y+hohKx8bmEEsoFgi1A=";
+        hash = "sha256-2lzXTuE+nkyw+GG9nAMxIIloAlEngY9Q6OKfbrWgFiI=";
       };
       development = fetchurl {
         url = "https://development.dl2.discordapp.net/apps/linux/${versions.linux.development}/discord-development-${versions.linux.development}.tar.gz";
@@ -127,7 +127,7 @@ let
       };
       canary = fetchurl {
         url = "https://canary.dl2.discordapp.net/apps/osx/${versions.darwin.canary}/DiscordCanary.dmg";
-        hash = "sha256-/OlGCNA0GIvo4La/E2ifY7C3OHiPDqUCYazAyagHQbA=";
+        hash = "sha256-wJi9/mIaZViWbqx3hP8Ve5YUBWsraYTJi2H+B9CLC8w=";
       };
       development = fetchurl {
         url = "https://development.dl2.discordapp.net/apps/osx/${versions.darwin.development}/DiscordDevelopment.dmg";