Add grafana-image-renderer build patch

patches/176902.patch

@@ -0,0 +1,22 @@
+From e4f5d3d029f56d48beedc391f08a09c3b982081a Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte.vanpetegem@ugent.be>
+Date: Wed, 8 Jun 2022 15:31:17 +0200
+Subject: [PATCH] grafana-image-renderer: fix build
+
+---
+ pkgs/servers/monitoring/grafana-image-renderer/default.nix | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/pkgs/servers/monitoring/grafana-image-renderer/default.nix b/pkgs/servers/monitoring/grafana-image-renderer/default.nix
+index 35d44072a9f0c..972a46d838b02 100644
+--- a/pkgs/servers/monitoring/grafana-image-renderer/default.nix
++++ b/pkgs/servers/monitoring/grafana-image-renderer/default.nix
+@@ -25,7 +25,7 @@ mkYarnPackage rec {
+     runHook preBuild
+ 
+     pushd deps/renderer
+-    npm run build
++    yarn run build
+     popd
+ 
+     runHook postBuild