package.nix: fix PATH for devshell

We don't install scripts to build so this must point to src

Author: Mic92

package.nix

@@ -239,7 +239,7 @@ stdenv.mkDerivation (finalAttrs: {
   shellHook = ''
     pushd $(git rev-parse --show-toplevel) >/dev/null
 
-    PATH=$(pwd)/build/src/hydra-evaluator:$(pwd)/build/src/script:$(pwd)/build/src/hydra-queue-runner:$PATH
+    PATH=$(pwd)/build/src/hydra-evaluator:$(pwd)/src/script:$(pwd)/build/src/hydra-queue-runner:$PATH
     PERL5LIB=$(pwd)/src/lib:$PERL5LIB
     export HYDRA_HOME="$(pwd)/src/"
     mkdir -p .hydra-data