upgrade to latest dependencies (knative#2500)

bumping knative.dev/serving 74ea38a...63b0f86:
  > 63b0f86 Update net-istio nightly (# 15508)

Signed-off-by: Knative Automation <automation@knative.team>

go.mod

@@ -64,7 +64,7 @@ require (
 	knative.dev/eventing v0.42.1-0.20240911141024-c91a9d8a471d
 	knative.dev/hack v0.0.0-20240909014011-fc6a8452af6d
 	knative.dev/pkg v0.0.0-20240912132815-3002873b449c
-	knative.dev/serving v0.42.1-0.20240912104927-74ea38ab1b9c
+	knative.dev/serving v0.42.1-0.20240913121933-63b0f86a6e5f
 )
 
 require (

go.sum

@@ -2747,8 +2747,8 @@ knative.dev/networking v0.0.0-20240909015032-433920a35ef4 h1:ojjqMuTsY0DRQNdTAhk
 knative.dev/networking v0.0.0-20240909015032-433920a35ef4/go.mod h1:i7nMwzWWbsorxAL9e88yTl/PugUDvtL6KtG5H/L0sg8=
 knative.dev/pkg v0.0.0-20240912132815-3002873b449c h1:zKQ6HpKn6m20GgQ/NThGDFPwP9VSxv1j20aZDlRl3J8=
 knative.dev/pkg v0.0.0-20240912132815-3002873b449c/go.mod h1:RHUKdAip7yEmlA6dc66hGANdLId04PMd2XJpFhP0EvI=
-knative.dev/serving v0.42.1-0.20240912104927-74ea38ab1b9c h1:YoK2+riGMYAlFnI/onjzxQSzYfPE4lK4FzGO8J6P5DY=
-knative.dev/serving v0.42.1-0.20240912104927-74ea38ab1b9c/go.mod h1:SaMptub7hykNnTquuVhU6Pkj8urFqJoV855o8mRN8BI=
+knative.dev/serving v0.42.1-0.20240913121933-63b0f86a6e5f h1:x7DPCHjTM0qRsmj/GnGxQDJfIVtmTWXCrR/WQuv5WW8=
+knative.dev/serving v0.42.1-0.20240913121933-63b0f86a6e5f/go.mod h1:SaMptub7hykNnTquuVhU6Pkj8urFqJoV855o8mRN8BI=
 lukechampine.com/uint128 v1.1.1/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
 lukechampine.com/uint128 v1.2.0/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
 modernc.org/cc/v3 v3.36.0/go.mod h1:NFUHyPn4ekoC/JHeZFfZurN6ixxawE1BnVonP/oahEI=