improve regexp component performance in `loki.process`: call fmt only if debug enabled #3745

	name: Integration Tests
	on:
	# Run tests on main just so the module and build cache can be saved and used
	# in PRs. This speeds up the time it takes to test PRs dramatically.
	# (More information on https://docs.github.com/en/enterprise-server@3.6/actions/using-workflows/caching-dependencies-to-speed-up-workflows)
	push:
	branches:
	- main
	pull_request:
	jobs:
	run_tests:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.23"
	- name: Set OTEL Exporter Endpoint
	run: echo "OTEL_EXPORTER_ENDPOINT=172.17.0.1:4318" >> $GITHUB_ENV
	- name: Run tests
	run: make integration-test

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