chore(ci): improve vercel build step script (#84)

Ports PR iotaledger/iota#11188

# Description of change

1. Skip `gh-pages` branch since they always fail.
Reference
https://vercel.com/docs/environment-variables/system-environment-variables#VERCEL_GIT_COMMIT_REF
2. remove `turbo-ignore`, it's now deprecated
https://turborepo.dev/docs/reference/query#migrating-from-turbo-ignore

## Links to any relevant issues

Be sure to reference any related issues by adding `fixes #(issue)`.

## How the change has been tested

Describe the tests that you ran to verify your changes.

Make sure to provide instructions for the maintainer as well as any
relevant configurations.

Author: VmMad

scripts/vercel/ignore-build-step-base.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
 # This script is meant to be run from the "Ignored Build Step" in Vercel.
 
-npx turbo-ignore --fallback=HEAD^1
+PACKAGE_NAME="$(pnpm pkg get name | tr -d '"')"
+
+pnpx turbo query affected --packages "$PACKAGE_NAME" --base=HEAD^1 --exit-code

scripts/vercel/ignore-build-step-previews.sh

@@ -1,10 +1,13 @@
 #!/bin/bash
 # This script is meant to be run from the "Ignored Build Step" in Vercel.
 
-if [ "$VERCEL_ENV" == "preview" ]; then
+if [ "$VERCEL_GIT_COMMIT_REF" == "gh-pages" ]; then
+  echo "❌ - gh-pages branch detected. Skipping deploy."
+  exit 0
+elif [ "$VERCEL_ENV" == "preview" ]; then
   echo "✅ - Preview environment detected. Checking for changes in apps..."
   # Relative to the root directory of the project. E.g relative to apps/wallet-dashboard
-  bash ../../scripts/vercel/ignore-build-step-base.sh
+  bash ../../scripts/tooling/vercel/ignore-build-step-base.sh
 else
   echo "❌ - Not a preview deployment."
   exit 0