buildkite-agent-metrics: 5.10.0 -> 5.12.2 (#516714)

pkgs/by-name/bu/buildkite-agent-metrics/package.nix

@@ -5,7 +5,7 @@
 }:
 buildGoModule (finalAttrs: {
   pname = "buildkite-agent-metrics";
-  version = "5.10.0";
+  version = "5.12.2";
 
   __darwinAllowLocalNetworking = true;
 
@@ -18,10 +18,13 @@ buildGoModule (finalAttrs: {
     owner = "buildkite";
     repo = "buildkite-agent-metrics";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-QE4IY1yU8X1zG+jf7eBWiSjN3HvDqr2Avhs3Bub+xB0=";
+    hash = "sha256-O/6YGxX7sJEaqmMMzOPxkiIWJs1VRa+tgZ2w8UjfoKk=";
   };
 
-  vendorHash = "sha256-r088XQKYx0D0OVfz/nqhWL0LLCf4X13WqYikJKlLr3c=";
+  vendorHash = "sha256-2os2V1iyw1k6XwX2wLz0abMnu+X5p+Aqau7ajC3JIRc=";
+
+  # This is a Google Cloud Function and is not needed for compiling the binary
+  excludedPackages = [ "./cloud_function" ];
 
   postInstall = ''
     mkdir -p $lambda/bin