CI/GHA: switch to ubuntu-24.04

The only change needed is a flag for pip install, as in Ubuntu-24.04
it is patched to error out saying to use apt.

Signed-off-by: Kir Kolyshkin <[email protected]>

Author: kolyshkin

.github/workflows/test.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:

.github/workflows/validate.yml

@@ -12,7 +12,7 @@ on:
 jobs:
 
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - name: install deps
@@ -24,11 +24,11 @@ jobs:
           version: v1.60
 
   codespell:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4
     - name: install deps
-      # Version of codespell bundled with Ubuntu is way old, so use pip.
-      run: pip install codespell
+      # Version of codespell bundled with Ubuntu will become old, so use pip.
+      run: pip install --break-system-packages codespell
     - name: run codespell
       run: codespell