make linter pass

[elevran]

✅ Found golangci-lint config file
==== Running linting ====
golangci-lint run
pkg/epp/scheduling/scorer.go:69:15: fmt.Errorf can be replaced with errors.New (perfsprint)
		return nil, fmt.Errorf("Empty list of valid pods to score")
		            ^
make: *** [Makefile:433: lint] Error 1