ci: Bump ubuntu versions used

Author: charles-lunarg

.github/workflows/tools.yml

@@ -37,18 +37,18 @@ jobs:
                 cc: [ gcc ]
                 cxx: [ g++ ]
                 config: [ Debug, Release ]
-                os: [ ubuntu-20.04, ubuntu-22.04 ]
+                os: [ ubuntu-22.04, ubuntu-22.04 ]
                 include:
-                    # Test clang on ubuntu 20
+                    # Test clang on ubuntu 22
                   - cc: clang
                     cxx: clang++
                     config: Debug
-                    os: ubuntu-20.04
-                    # Test clang on ubuntu 22
+                    os: ubuntu-22.04
+                    # Test clang on ubuntu 24
                   - cc: clang
                     cxx: clang++
                     config: Release
-                    os: ubuntu-22.04
+                    os: ubuntu-24.04
 
 
         steps: