fix: calculate personnummer correctly before annual birthday #195

	name: Test

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	dotnet: [ '8.0.x' ]
	name: Test dotnet ${{ matrix.dotnet-versions }}
	steps:
	- uses: actions/checkout@v4
	- name: Set up dotnet.
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: ${{ matrix.dotnet }}
	- name: Build
	run: dotnet build
	- name: Run test suite
	run: dotnet test

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