Removed obsolete GHA images, added new compilers.

Author: Lastique

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-# Copyright 2021-2024 Andrey Semashev
+# Copyright 2021-2025 Andrey Semashev
 #
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
@@ -71,12 +71,14 @@ jobs:
               - g++-8
           - toolset: gcc-9
             cxxstd: "11,14,17,2a"
-            os: ubuntu-20.04
+            os: ubuntu-latest
+            container: ubuntu:20.04
             install:
               - g++-9
           - toolset: gcc-10
             cxxstd: "11,14,17,20"
-            os: ubuntu-20.04
+            os: ubuntu-latest
+            container: ubuntu:20.04
             install:
               - g++-10
           - toolset: gcc-11
@@ -91,18 +93,22 @@ jobs:
               - g++-12
           - toolset: gcc-13
             cxxstd: "11,14,17,20,23"
-            os: ubuntu-latest
-            container: ubuntu:23.04
+            os: ubuntu-24.04
             install:
               - g++-13
+          - toolset: gcc-14
+            cxxstd: "11,14,17,20,23,26"
+            os: ubuntu-24.04
+            install:
+              - g++-14
           - name: UBSAN
-            toolset: gcc-11
+            toolset: gcc-13
             cxxstd: "11,14,17,20,23"
             ubsan: 1
             build_variant: debug
-            os: ubuntu-22.04
+            os: ubuntu-24.04
             install:
-              - g++-11
+              - g++-13
 
           # Linux, clang
           - toolset: clang
@@ -181,13 +187,15 @@ jobs:
           - toolset: clang
             compiler: clang++-9
             cxxstd: "11,14,17,2a"
-            os: ubuntu-20.04
+            os: ubuntu-latest
+            container: ubuntu:20.04
             install:
               - clang-9
           - toolset: clang
             compiler: clang++-10
             cxxstd: "11,14,17,20"
-            os: ubuntu-20.04
+            os: ubuntu-latest
+            container: ubuntu:20.04
             install:
               - clang-10
           - toolset: clang
@@ -231,54 +239,64 @@ jobs:
           - toolset: clang
             compiler: clang++-16
             cxxstd: "11,14,17,20,2b"
-            os: ubuntu-22.04
+            os: ubuntu-24.04
             install:
               - clang-16
-            sources:
-              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"
-            source_keys:
-              - "https://apt.llvm.org/llvm-snapshot.gpg.key"
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-17
             cxxstd: "11,14,17,20,23"
-            os: ubuntu-22.04
+            os: ubuntu-24.04
             install:
               - clang-17
+              - g++-11
+            gcc_toolchain: 11
+          - toolset: clang
+            compiler: clang++-18
+            cxxstd: "11,14,17,20,23,26"
+            os: ubuntu-24.04
+            install:
+              - clang-18
+              - g++-13
+          - toolset: clang
+            compiler: clang++-19
+            cxxstd: "11,14,17,20,23,26"
+            os: ubuntu-24.04
+            install:
+              - clang-19
             sources:
-              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main"
+              - "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main"
             source_keys:
               - "https://apt.llvm.org/llvm-snapshot.gpg.key"
           - toolset: clang
-            compiler: clang++-17
-            cxxstd: "11,14,17,20,23"
-            os: ubuntu-22.04
+            compiler: clang++-19
+            cxxstd: "11,14,17,20,23,26"
+            cxxflags: -stdlib=libc++
+            linkflags: -stdlib=libc++
+            os: ubuntu-24.04
             install:
-              - clang-17
-              - libc++-17-dev
-              - libc++abi-17-dev
+              - clang-19
+              - libc++-19-dev
+              - libc++abi-19-dev
             sources:
-              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main"
+              - "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main"
             source_keys:
               - "https://apt.llvm.org/llvm-snapshot.gpg.key"
-            cxxflags: -stdlib=libc++
-            linkflags: -stdlib=libc++
           - name: UBSAN
             toolset: clang
-            compiler: clang++-15
-            cxxstd: "11,14,17,20,2b"
+            compiler: clang++-18
+            cxxstd: "11,14,17,20,23,26"
             cxxflags: -stdlib=libc++
             linkflags: -stdlib=libc++
             ubsan: 1
             build_variant: debug
-            os: ubuntu-22.04
+            os: ubuntu-24.04
             install:
-              - clang-15
-              - libc++-15-dev
-              - libc++abi-15-dev
+              - clang-18
+              - libc++-18-dev
+              - libc++abi-18-dev
 
-          - toolset: clang
-            cxxstd: "11,14,17,20,2b"
-            os: macos-12
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
             os: macos-13