chore(operator): CI take advantage of setup-go cache #5241

	name: operator bundle

	on:
	push:
	paths:
	- 'operator/**'
	branches: [ main ]
	pull_request:
	paths:
	- 'operator/**'

	jobs:
	build:
	name: build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Go 1.x
	uses: actions/setup-go@v5
	with:
	go-version-file: ./operator/go.mod
	- name: make bundle
	run: \|
	make bundle-all && git diff --exit-code -I'^ createdAt: '
	working-directory: ./operator

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