Merge pull request #366 from thaJeztah/gha_bump_ubuntu

gha: add ubuntu 24.04, remove 20.04

.github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ca8b106..c5e4c43 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,8 +44,8 @@
       fail-fast: false
       matrix:
         os:
+          - ubuntu-24.04
           - ubuntu-22.04
-          - ubuntu-20.04
           - macOS-15
           - macOS-14
           - macOS-13