kyverno-chainsaw: fix build with go 1.26 (#508625)

pkgs/by-name/ky/kyverno-chainsaw/go-1.26-testdeps-modulepath.patch

@@ -0,0 +1,15 @@
+diff --git a/pkg/runner/internal/test_deps.go b/pkg/runner/internal/test_deps.go
+index f7728f3..90dbca5 100644
+--- a/pkg/runner/internal/test_deps.go
++++ b/pkg/runner/internal/test_deps.go
+@@ -41,6 +41,10 @@ func (*TestDeps) ImportPath() string {
+ 	return ""
+ }
+ 
++func (*TestDeps) ModulePath() string {
++	return ""
++}
++
+ func (*TestDeps) StartTestLog(w io.Writer) {}
+ 
+ func (*TestDeps) StopTestLog() error {

pkgs/by-name/ky/kyverno-chainsaw/package.nix

@@ -2,7 +2,6 @@
   buildGoModule,
   fetchFromGitHub,
   installShellFiles,
-  kyverno-chainsaw,
   lib,
   nix-update-script,
   stdenv,
@@ -16,10 +15,12 @@ buildGoModule (finalAttrs: {
   src = fetchFromGitHub {
     owner = "kyverno";
     repo = "chainsaw";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-wHwjcpcum3ByBGYUxJ38Qi0RliQUmAIBYmE7t3gEonI=";
   };
 
+  patches = [ ./go-1.26-testdeps-modulepath.patch ];
+
   vendorHash = "sha256-lG+odKD1TGQ7GTh/y9ogREtY59T8fvN/6FyKsdgsU0M=";
 
   subPackages = [ "." ];
@@ -42,7 +43,7 @@ buildGoModule (finalAttrs: {
   '';
 
   passthru.tests.version = testers.testVersion {
-    package = kyverno-chainsaw;
+    package = finalAttrs.finalPackage;
     command = "chainsaw version";
     version = "v${finalAttrs.version}";
   };