Added github action for regression tests #4

	---
	name: Run extension Regression Tests

	on: [push, pull_request, workflow_dispatch]

	jobs:

	opentelemetry-cpp:
	name: OpenTelemetry C++ SDK
	runs-on: ubuntu-latest

	steps:
	- name: Checkout gRPC C++ SDK
	uses: actions/checkout@v4
	with:
	repository: grpc/grpc
	ref: v1.62.0
	path: grpc
	fetch-depth: 2
	submodules: 'recursive'

	- name: Install build dependencies
	run: \|
	sudo apt-get update -y
	sudo apt-get install --no-install-recommends --no-install-suggests -y \
	build-essential bison flex zlib1g-dev libreadline-dev

	- name: Build gRPC C++ SDK
	run: \|
	cd grpc
	mkdir -p cmake/build
	pushd cmake/build
	cmake -DgRPC_INSTALL=ON \
	-DgRPC_BUILD_TESTS=OFF \
	-DCMAKE_INSTALL_PREFIX=/usr/local \
	-DBUILD_SHARED_LIBS=ON \
	-DCMAKE_CXX_STANDARD=17 \
	-DABSL_PROPAGATE_CXX_STD=ON \
	../..
	make -j
	sudo make -j install
	popd
	sudo ldconfig

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