fix: encoding of `message` content types #382

	name: Build and Test
	on:
	push:
	pull_request:
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go:
	- 1.20.x
	- 1.21.x
	- 1.22.x
	name: Go ${{ matrix.go }} build
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go }}
	- name: Build and Test
	run: \|
	go build
	go test -race -coverprofile=profile.cov ./...
	- name: Send coverage
	uses: shogo82148/actions-goveralls@v1
	with:
	path-to-profile: profile.cov
	flag-name: Go-${{ matrix.go }}
	parallel: true
	coverage:
	needs: build
	name: Test Coverage
	runs-on: ubuntu-latest
	steps:
	- uses: shogo82148/actions-goveralls@v1
	with:
	parallel-finished: true

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