[master] Auto-update dependencies (#2469)

Produced via:
  `./hack/update-deps.sh --upgrade && ./hack/update-codegen.sh`
/assign dprotaso grantr samodell
/cc dprotaso grantr samodell

Gopkg.lock

@@ -501,14 +501,14 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:472814638003e0a895a794f2647e4f5b1c888f211d803535c1da5e276257033a"
+  digest = "1:5b6f7bfb020127ddf61b50eeead0fc65e5884d133fff08314ebb964617c6ce69"
   name = "knative.dev/test-infra"
   packages = [
     "scripts",
     "tools/dep-collector",
   ]
   pruneopts = "UT"
-  revision = "2b7ecf0da96165d1523bc8b24880b92a2cb15c5f"
+  revision = "ef4fd3ad398f9bd7370aa6741fae9c2f1116ced1"
 
 [solve-meta]
   analyzer-name = "dep"

vendor/knative.dev/test-infra/scripts/library.sh

@@ -544,7 +544,8 @@ function update_licenses() {
   local dst=$1
   local dir=$2
   shift
-  run_go_tool github.com/google/go-licenses go-licenses save "${dir}" --save_path="${dst}" --force || return 1
+  run_go_tool github.com/google/go-licenses go-licenses save "${dir}" --save_path="${dst}" --force || \
+    { echo "--- FAIL: go-licenses failed to update licenses"; return 1; }
   # Hack to make sure directories retain write permissions after save. This
   # can happen if the directory being copied is a Go module.
   # See https://github.com/google/go-licenses/issues/11
@@ -554,7 +555,8 @@ function update_licenses() {
 # Run go-licenses to check for forbidden licenses.
 function check_licenses() {
   # Check that we don't have any forbidden licenses.
-  run_go_tool github.com/google/go-licenses go-licenses check "${REPO_ROOT_DIR}/..." || return 1
+  run_go_tool github.com/google/go-licenses go-licenses check "${REPO_ROOT_DIR}/..." || \
+    { echo "--- FAIL: go-licenses failed the license check"; return 1; }
 }
 
 # Run the given linter on the given files, checking it exists first.

vendor/knative.dev/test-infra/scripts/shellcheck-presubmit.sh

@@ -1,5 +1,19 @@
 #!/usr/bin/env bash
 
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set -e
 
 source "$(dirname "${BASH_SOURCE[0]}")/library.sh"