Fix: Update check-schema to 24.04 (#368)

* Fix: Update check-schema to 24.04

During a scheduled brownout the check-schema workflow is failing with:
```
This is a scheduled Ubuntu 20.04 brownout. Ubuntu 20.04 LTS runner will be removed on 2025-04-01
```

Bumping it to latest LTS version

* more places

* prepare for release

Author: ethanwharris

.github/CODEOWNERS

@@ -5,11 +5,11 @@
 # the repo. Unless a later match takes precedence,
 # @global-owner1 and @global-owner2 will be requested for
 # review when someone opens a pull request.
-* @borda @akihironitta @carmocca @awaelchli
+* @borda @ethanwharris @justusschock @tchaton
 
 # CI/CD and configs
-/.github/       @akihironitta @borda
-*.yml           @akihironitta @borda
+/.github/       @borda @ethanwharris @justusschock @tchaton
+*.yml           @borda @ethanwharris @justusschock @tchaton
 
 # Docs
 /docs/                        @borda
@@ -19,5 +19,5 @@
 /.github/CODEOWNERS           @borda
 /setup.py                     @borda
 
-/src                          @borda @carmocca @awaelchli
-/tests/unittests              @borda @carmocca @awaelchli
+/src                          @borda @ethanwharris @justusschock @tchaton
+/tests/unittests              @borda @ethanwharris @justusschock @tchaton

.github/workflows/check-md-links.yml

@@ -17,7 +17,7 @@ on:
 
 jobs:
   markdown-link-check:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     env:
       CONFIG_FILE: ${{ inputs.config-file }}
       MODIFIED_ONLY: "no"

.github/workflows/check-schema.yml

@@ -20,7 +20,7 @@ defaults:
 
 jobs:
   schema:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout 🛎
         uses: actions/checkout@v4

.github/workflows/check-typing.yml

@@ -30,7 +30,7 @@ defaults:
 
 jobs:
   mypy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v4

README.md

@@ -54,7 +54,7 @@ on: [push]
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4

src/lightning_utilities/__about__.py

@@ -1,6 +1,6 @@
 import time
 
-__version__ = "0.12.0"
+__version__ = "0.13.0"
 __author__ = "Lightning AI et al."
 __author_email__ = "[email protected]"
 __license__ = "Apache-2.0"