chore(tazjin/nix.svg): shuffle colours around

This version is gonna be better for the Volga Sprint logo.

Change-Id: Ib33c9055e5171168c56634c0e4b3d0b0626014ff
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11025
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

users/tazjin/nix.svg

@@ -33,7 +33,7 @@
        id="lambda-4"
        href="#lambda-path"
        visibility="visible"
-       fill="#f8f8ff" />
+       fill="#d52b1e" />
     <use
        id="lambda-5"
        transform="rotate(60,407.11155,-715.78724)"
@@ -45,6 +45,6 @@
        id="lambda-6"
        href="#lambda-path"
        visibility="visible"
-       fill="#d52b1e" />
+       fill="#f8f8ff" />
   </g>
 </svg>