Modify namespace filter logic for backup with label selector #8382

	name: Pull Request Linter Check
	on: [pull_request]
	jobs:

	build:
	name: Run Linter Check
	runs-on: ubuntu-latest
	steps:

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.22'

	- name: Check out the code
	uses: actions/checkout@v4

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v4
	with:
	version: v1.57.2
	args: --out-format=colored-line-number

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