Update `get_wtn_proposal_id` response type #37

	on:
	pull_request:
	merge_group:
	branches:
	- main

	name: Backend linting and tests

	jobs:
	fmt:
	name: run fmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.79.0
	override: true
	- run: rustup component add rustfmt
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	clippy:
	name: run clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.79.0
	override: true
	- run: rustup component add clippy
	- uses: Swatinem/rust-cache@v2
	with:
	shared-key: "build-debug"
	save-if: "false"
	- uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --tests -- -D warnings

	unit_tests:
	name: run unit tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.79.0
	override: true
	- uses: Swatinem/rust-cache@v2
	with:
	shared-key: "build-debug"
	save-if: "false"
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --workspace --exclude integration_tests

Provide feedback