feat: flagd file polling for offline mode #2018

	name: CI
	on:
	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	branches:
	- main

	jobs:
	main:
	runs-on: ubuntu-latest
	services:
	# flagd-testbed for flagd RPC provider e2e tests
	flagd:
	image: ghcr.io/open-feature/flagd-testbed:v0.4.10
	ports:
	- 8013:8013
	# flagd-testbed for flagd RPC provider reconnect e2e tests
	flagd-unstable:
	image: ghcr.io/open-feature/flagd-testbed-unstable:v0.4.10
	ports:
	- 8014:8013
	# sync-testbed for flagd in-process provider e2e tests
	sync:
	image: ghcr.io/open-feature/sync-testbed:v0.4.10
	ports:
	- 9090:9090
	# sync-testbed for flagd in-process provider reconnect e2e tests
	sync-unstable:
	image: ghcr.io/open-feature/sync-testbed-unstable:v0.4.10
	ports:
	- 9091:9090

	steps:
	- name: Checkout Repository
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4

	- name: Set up JDK 8
	uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4
	with:
	java-version: '8'
	distribution: 'temurin'
	cache: maven

	- name: Cache local Maven repository
	uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-

	- name: Maven Verify
	run: mvn --batch-mode --activate-profiles e2e clean verify

Provide feedback