Use 25.04 for GCC 15

Author: hsbt

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
       matrix:
         # Ruby 3.4 requires BASERUBY 3.0
         entry:
-          - { os: 'noble', tag: 'gcc-15', extras: 'g++-15' }
+          - { os: 'plucky', tag: 'gcc-15', extras: 'g++-15' }
           - { os: 'noble', tag: 'gcc-14', extras: 'g++-14' }
           - { os: 'noble', tag: 'gcc-13', extras: 'g++-13' }
           - { os: 'jammy', tag: 'gcc-12', extras: 'g++-12' }

assets/99plucky.list

@@ -0,0 +1,7 @@
+deb [signed-by=/etc/apt/keyrings/ubuntu-toolchain-r.asc] http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu plucky main
+deb [signed-by=/etc/apt/keyrings/ubuntu-toolchain-r.asc] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu plucky main
+deb [signed-by=/etc/apt/keyrings/llvm-snapshot.gpg.key.asc] http://apt.llvm.org/plucky/ llvm-toolchain-plucky main
+
+deb-src [signed-by=/etc/apt/keyrings/ubuntu-toolchain-r.asc] http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu plucky main
+deb-src [signed-by=/etc/apt/keyrings/ubuntu-toolchain-r.asc] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu plucky main
+deb-src [signed-by=/etc/apt/keyrings/llvm-snapshot.gpg.key.asc] http://apt.llvm.org/plucky/ llvm-toolchain-plucky main