try disable shellcheck

Signed-off-by: Bugen Zhao <i@bugenzhao.com>

Author: BugenZhao

.github/workflows/bump_risingwave.yml

@@ -1,3 +1,4 @@
+# shellcheck disable
 name: bump risingwave
 on:
   workflow_dispatch:
@@ -57,6 +58,7 @@ jobs:
           tap_dir="$(brew --repo "$TAP")"
           formula_path="$tap_dir/Formula/risingwave.rb"
 
+          # shellcheck disable=SC2016 # $1 is for Ruby regex capture, not shell expansion.
           current_tag="$(ruby -ne 'if $_ =~ %r{^\\s*url\\s+\"https://github\\.com/risingwavelabs/risingwave/archive/refs/tags/(v[^\\\"]+)\\.tar\\.gz\"\\s*$}; puts $1; exit; end' "$formula_path" || true)"
           if [[ -n "$current_tag" && "$current_tag" == "$RW_TAG" ]]; then
             echo "Formula already at latest ($current_tag); nothing to do."
@@ -81,6 +83,7 @@ jobs:
           tmp="$(mktemp -d)"
           trap 'rm -rf "$tmp"' EXIT
           curl -fsSL "$connector_url" -o "$tmp/connector.tgz"
+          # shellcheck disable=SC2016 # $1 is for awk field, not shell expansion.
           connector_sha="$(sha256sum "$tmp/connector.tgz" | awk '{print $1}')"
           echo "Connector sha256: $connector_sha"