chore: adopt testcontainers-go for Postgres, MySQL, MSSQL and MongoDB #2157

	on:
	push:
	branches:
	- master
	- main
	paths:
	- 'postgres/**'
	pull_request:
	paths:
	- 'postgres/**'
	name: "Tests Postgres"
	jobs:
	Tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version:
	- 1.20.x
	- 1.21.x
	- 1.22.x
	steps:
	- name: Fetch Repository
	uses: actions/checkout@v4
	- name: Install Go
	uses: actions/setup-go@v5
	with:
	go-version: '${{ matrix.go-version }}'
	- name: Run Test
	env:
	TEST_POSTGRES_IMAGE: "docker.io/postgres:16-alpine"
	run: cd ./postgres && go test ./... -v -race

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