fix(ci): don't run percy for some no-op PRs

Reduce percy snapshot usage by ignoring some PRs that update Go or NodeJS deps

scripts/percy-skip-deps.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+
+
+git log --no-merges --name-only --pretty=format: ${1}..${2} | grep -Ev '^$' | sort | uniq | while read FILE ; do
+  if [[ "${FILE}" =~ ^ui/src/.+ ]]; then
+    echo "[P] ${FILE}"
+    exit 1
+  else
+    echo "[ ] ${FILE}"
+  fi
+done
+
+exit 0