CI: fix use of set-timezone GH action #126

	name: test-pgv15
	on: push

	jobs:
	runner-job:
	runs-on: ubuntu-latest
	timeout-minutes: 15

	services:
	# Label used to access the service container
	postgres:
	# Docker Hub image
	image: postgres:15
	env:
	TZ: Asia/Kolkata
	POSTGRES_DB: pgeltestdb
	POSTGRES_USER: pgeltestuser
	POSTGRES_PASSWORD: pgeltest
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	# Maps tcp port 5432 on service container to the host
	- 5432:5432
	volumes:
	- /var/run/postgresql:/var/run/postgresql

	steps:
	# The version of Emacs available in the ancient Ubuntu distribution used by GitHub
	# actions is too old.
	- name: Install Emacs
	uses: purcell/setup-emacs@master
	with:
	version: 29.4

	- name: Check out repository code
	uses: actions/checkout@v4

	- name: Run tests over TCP socket
	run: make -C test test
	env:
	TZ: Asia/Kolkata

	- name: Run tests over local Unix socket
	run: make -C test test-local
	env:
	TZ: Asia/Kolkata

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