internal/utils: add Go 1.26 testDeps ModulePath

[chenrui333]

seeing some build failure against go1.26rc1

==> go build -o=/opt/homebrew/Cellar/kuttl/0.24.0/bin/kubectl-kuttl -ldflags=-s -w -X github.com/kudobuilder
Last 15 lines from /Users/rchen/Library/Logs/Homebrew/kuttl/01.go.log:
2025-12-26 23:24:18 +0000

go
build
-trimpath
-o=/opt/homebrew/Cellar/kuttl/0.24.0/bin/kubectl-kuttl
-ldflags=-s -w -X github.com/kudobuilder/kuttl/internal/version.gitVersion=v0.24.0 -X github.com/kudobuilder/kuttl/internal/version.gitCommit=Homebrew -X github.com/kudobuilder/kuttl/internal/version.buildDate=2025-12-03T07:15:11Z
./cmd/kubectl-kuttl

# github.com/kudobuilder/kuttl/internal/utils
internal/utils/testing.go:44:28: cannot use &testDeps{} (value of type *testDeps) as testing.testDeps value in argument to testing.MainStart: *testDeps does not implement testing.testDeps (missing method ModulePath)

• go 1.26rc2, [email protected] 1.25.6 (new formula) Homebrew/homebrew-core#258912
• kuttl: add go1.26 build patch Homebrew/homebrew-core#260270

[porridge]

Thank you for catching this early!
One question inline.

[porridge]

Would there be any downside to adding this directly in testing.go? 🤔

[porridge]

Superseded by #667