bincheck: verbose mode

This PR adds the -x flag to make the preparation steps visible in the
logs.

Epic: none
Release note: None

build/release/bincheck/download_binary.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 
 download_and_extract() {
   cockroach_version=$1

build/release/bincheck/test-linux

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 source ./download_binary.sh
 
 if [[ $# -ne 2 ]]

build/release/bincheck/test-macos-amd64

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 source ./download_binary.sh
 
 # Verify arguments.

build/release/bincheck/test-macos-arm64

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 source ./download_binary.sh
 
 # Verify arguments.

build/release/bincheck/test-windows

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 source ./download_binary.sh
 
 if [[ $# -ne 2 ]]