upgrade to latest dependencies

bumping knative.dev/hack 3d4b264...66ab1a0:
  > 66ab1a0 go-licenses fixed file permissions so we no longer need our workaround (# 75)

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

go.mod

@@ -64,6 +64,6 @@ require (
 	k8s.io/code-generator v0.20.7
 	k8s.io/gengo v0.0.0-20210203185629-de9496dff47b
 	k8s.io/klog v1.0.0
-	knative.dev/hack v0.0.0-20210610231243-3d4b264d9472
+	knative.dev/hack v0.0.0-20210614141220-66ab1a098940
 	sigs.k8s.io/yaml v1.2.0
 )

go.sum

@@ -1063,8 +1063,8 @@ k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd h1:sOHNzJIkytDF6qadMNKhhD
 k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAGcJo0Tvi+dK12EcqSLqcWsryKMpfM=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920 h1:CbnUZsM497iRC5QMVkHwyl8s2tB3g7yaSHkYPkpgelw=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-knative.dev/hack v0.0.0-20210610231243-3d4b264d9472 h1:sPXp3IChxDMPFRyP9LGvb+hoa6xP9NhnLhT16Y6Icx0=
-knative.dev/hack v0.0.0-20210610231243-3d4b264d9472/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
+knative.dev/hack v0.0.0-20210614141220-66ab1a098940 h1:Aao7SsI087Pa8x+LDLaBdj/ylduPh2bJ8HbB7UjXElE=
+knative.dev/hack v0.0.0-20210614141220-66ab1a098940/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 pgregory.net/rapid v0.3.3 h1:jCjBsY4ln4Atz78QoBWxUEvAHaFyNDQg9+WU62aCn1U=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

vendor/knative.dev/hack/library.sh

@@ -643,10 +643,6 @@ function update_licenses() {
   shift
   run_go_tool github.com/google/go-licenses go-licenses save "${dir}" --save_path="${dst}" --force || \
     { echo "--- FAIL: go-licenses failed to update licenses"; return 1; }
-  # Hack to make sure directories retain write permissions after save. This
-  # can happen if the directory being copied is a Go module.
-  # See https://github.com/google/go-licenses/issues/11
-  chmod -R +w "${dst}"
 }
 
 # Run go-licenses to check for forbidden licenses.

vendor/modules.txt

@@ -956,7 +956,7 @@ k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/pointer
 k8s.io/utils/trace
-# knative.dev/hack v0.0.0-20210610231243-3d4b264d9472
+# knative.dev/hack v0.0.0-20210614141220-66ab1a098940
 ## explicit
 knative.dev/hack
 # sigs.k8s.io/structured-merge-diff/v4 v4.0.3