victoriametrics: replace custom upadateScript with nix-update-script (#506120)

pkgs/by-name/vi/victoriametrics/package.nix

@@ -2,6 +2,7 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
+  nix-update-script,
   nixosTests,
   withServer ? true, # the actual metrics server
   withVmAgent ? true, # Agent to collect metrics
@@ -78,7 +79,7 @@ buildGoModule (finalAttrs: {
 
   passthru = {
     tests = lib.recurseIntoAttrs nixosTests.victoriametrics;
-    updateScript = ./update.sh;
+    updateScript = nix-update-script { };
   };
 
   meta = {

pkgs/by-name/vi/victoriametrics/update.sh

@@ -1,13 +0,0 @@
-#! /usr/bin/env nix-shell
-#! nix-shell -i bash -p curl jq nix-update
-
-set -ex
-
-curl_github() {
-    curl -L ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} "$@"
-}
-
-latestRelease=$(curl_github https://api.github.com/repos/VictoriaMetrics/VictoriaMetrics/releases/latest | jq -r ".tag_name")
-latestVersion="$(expr "$latestRelease" : 'v\(.*\)')"
-
-nix-update --version "$latestVersion" victoriametrics