ci: Update OS/compiler targets

.github/workflows/test-compile.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-20.04
+          - ubuntu-22.04
         compiler:
           - 'clang-12'
           - 'gcc-11'
@@ -29,36 +29,42 @@ jobs:
           - 'c++20'
         include:
           # macOS builds
+          - os: macos-latest
+            compiler: 'clang'
+            cpp_std: 'c++11'
           - os: macos-13
             compiler: 'clang'
             cpp_std: 'c++11'
           - os: macos-13
             compiler: 'clang'
             cpp_std: 'c++17'
-          # Limited testing for older compilers
-          - os: ubuntu-20.04
+          # ubuntu-22.04 compilers
+          - os: ubuntu-22.04
             compiler: 'clang-11'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
-            compiler: 'gcc-10'
-            cpp_std: 'c++11'
-          # Limited testing for newer compilers
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             compiler: 'clang-13'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
+          # ubuntu-latest compilers
+          - os: ubuntu-latest
             compiler: 'clang-14'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
+          - os: ubuntu-latest
             compiler: 'clang-15'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
+          - os: ubuntu-latest
             compiler: 'clang-16'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
+          - os: ubuntu-latest
             compiler: 'clang-17'
             cpp_std: 'c++11'
-          - os: ubuntu-20.04
+          - os: ubuntu-latest
+            compiler: 'gcc-10'
+            cpp_std: 'c++11'
+          - os: ubuntu-latest
+            compiler: 'gcc-12'
+            cpp_std: 'c++11'
+          - os: ubuntu-latest
             compiler: 'gcc-13'
             cpp_std: 'c++11'
       fail-fast: false