fix: prevent redundant repos, add preliminary name checks, and improve error handling in sites:create-template #17254

	name: Calculate benchmarks

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	package-size:
	if: startsWith(github.head_ref, 'release-please') == false
	runs-on: ubuntu-latest
	steps:
	- name: Git checkout
	uses: actions/checkout@v4
	- name: Use Node.js
	uses: actions/setup-node@v4
	with:
	node-version: lts/*
	cache: npm
	- name: Install dependencies
	run: npm ci --no-audit && npm prune --production
	- name: Get size
	run: du -sk node_modules \| cut -f1 > .delta.packageSize && echo "kb (Package size)" >> .delta.packageSize
	- name: Get dependency count
	run:
	npm ls -a -p \| wc -l \| tr -d ' \n' > .delta.dependencyCount && echo " (Dependency count)" >>
	.delta.dependencyCount
	- name: Get TypeScript conversion progress
	run:
	grep -r --exclude-dir="node_modules" --include="*.ts" "@ts-expect-error" . \| wc -l \| xargs >
	.delta.tsConversion && echo " (Number of ts-expect-error directives)" >> .delta.tsConversion
	- name: Save PR number
	if: github.event_name == 'pull_request'
	run: echo ${{ github.event.number }} > ./pr_number
	- name: Upload deltas
	uses: actions/upload-artifact@v4
	with:
	name: delta-action-deltas
	retention-days: 7
	path: \|
	.delta.*
	pr_number

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