Ubuntu 20.04 is deprecated

.github/actions/install-python/action.yml

@@ -0,0 +1,12 @@
+name: 'Install Python via UV'
+description: 'Installs the requested python version via UV. This action expects uv to be setup.'
+runs:
+  using: "composite"
+  steps:
+    - name: Download Python Version info
+      run: wget https://raw.githubusercontent.com/astral-sh/uv/refs/tags/0.6.17/crates/uv-python/download-metadata.json
+      shell: bash
+
+    - name: Install requested python version
+      run: uv python install --python-downloads-json-url ./download-metadata.json
+      shell: bash

.github/workflows/build.yaml

@@ -13,7 +13,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - name: checkout
@@ -25,6 +25,8 @@ jobs:
       uses: astral-sh/setup-uv@v5
       with:
         version: "latest"
+    - name: Install python
+      uses: ./.github/actions/install-python
     - name: Install Dependencies
       run: uv sync
     - name: Build

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
     uses: ./.github/workflows/build.yaml
 
   ruff-lint:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-24.04'
 
     steps:
       - name: checkout
@@ -20,6 +20,8 @@ jobs:
         uses: astral-sh/setup-uv@v5
         with:
           version: "latest"
+      - name: install python
+        uses: ./.github/actions/install-python
       - name: install dependencies
         run: uv sync
       - name: lint
@@ -32,7 +34,7 @@ jobs:
         uses: parkerbxyz/suggest-changes@v1.0.4
 
   ruff-format:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-24.04'
 
     steps:
       - name: checkout
@@ -41,6 +43,8 @@ jobs:
         uses: astral-sh/setup-uv@v5
         with:
           version: "latest"
+      - name: install python
+        uses: ./.github/actions/install-python
       - name: install dependencies
         run: uv sync
       - name: format
@@ -53,7 +57,7 @@ jobs:
         uses: parkerbxyz/suggest-changes@v1.0.4
 
   mypy:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-24.04'
 
     steps:
       - name: checkout
@@ -62,6 +66,8 @@ jobs:
         uses: astral-sh/setup-uv@v5
         with:
           version: "latest"
+      - name: install python
+        uses: ./.github/actions/install-python
       - name: install dependencies
         run: uv sync
       - name: type check

.github/workflows/release.yaml

@@ -20,7 +20,7 @@ jobs:
 
   create-release:
     needs: build
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: download all artifacts