fix(deps): update module github.com/kong/kubernetes-testing-framework to v0.48.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -154,7 +154,7 @@ require (
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kong/go-slugify v1.0.0 // indirect
 	github.com/kong/kubernetes-configuration v1.4.2
-	github.com/kong/kubernetes-testing-framework v0.47.2
+	github.com/kong/kubernetes-testing-framework v0.48.0
 	github.com/kong/semver/v4 v4.0.1 // indirect
 	github.com/lithammer/fuzzysearch v1.1.8 // indirect
 	github.com/lufia/plan9stats v0.0.0-20230326075908-cb1d2100619a // indirect