Remove old unused CI

I'm never going to finish that rework anyway

.github/workflows/2019.yml

@@ -1,18 +0,0 @@
-name: AOC 2019 test suite
-on:
-  push:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: 3.9
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r 2019/requirements.txt
-      - name: Run Pytest
-        run: pytest 2019

.github/workflows/2023.yml

@@ -1,52 +0,0 @@
-on:
-  - push
-
-name: Advent of Code 2023
-
-jobs:
-  ci:
-    strategy:
-      matrix:
-        toolchain:
-          - stable
-          - beta
-        experimental: [false]
-        include:
-          - toolchain: nightly
-            experimental: true
-
-    name: Continuous Integration
-    runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental }}
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install toolchain
-        uses: dtolnay/rust-toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          override: true
-          components: rustfmt
-
-      - name: Set up caching
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: >
-            2023 -> target
-
-      - name: Build binaries
-        working-directory: 2023
-        run: >
-          cargo build --all-targets
-
-      - name: Run tests
-        working-directory: 2023
-        run: >
-          cargo test
-
-      - name: Check formatting
-        working-directory: 2023
-        run: >
-          cargo fmt --check

.github/workflows/2024.yml

@@ -0,0 +1,43 @@
+on:
+  - push
+
+name: Advent of Code 2024
+
+jobs:
+  ci:
+    strategy:
+      matrix:
+        python-version:
+          - "3.12"
+          - "3.13"
+
+    name: Continuous Integration
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: "2024/uv.lock"
+
+      - name: Check formatting
+        working-directory: "2024"
+        run: >
+          uv run ruff format --check
+
+      - name: Run lints
+        working-directory: "2024"
+        run: >
+          uv run ruff check
+
+      - name: Run tests
+        working-directory: "2024"
+        run: >
+          uv run pytest tests

2024/src/aoc/__main__.py

@@ -15,7 +15,9 @@ from aoc import days
     default="-",
     help="Problem input file",
 )
-@click.option("-t", "--time", "timing", is_flag=True, help="Print elapsed time afterwards")
+@click.option(
+    "-t", "--time", "timing", is_flag=True, help="Print elapsed time afterwards"
+)
 @click.argument("day", required=True)
 def main(day: int, timing: bool, data: str) -> None:
     runner_class = days.get_runner(day)