ci: test all c++ versions

Author: iMichka

.github/workflows/tests.yml

@@ -72,6 +72,47 @@ jobs:
             castxml-epic: 0
             cppstd: "-std=c++98"
 
+          # UBUNTU 24.04 - CASTXML EPIC 0 - c++XX
+          - os: ubuntu-24.04
+            compiler: gcc
+            version: "13"
+            python-version: "3.13"
+            castxml: "castxml"
+            castxml-epic: 0
+            cppstd: "-std=c++11"
+
+          - os: ubuntu-24.04
+            compiler: gcc
+            version: "13"
+            python-version: "3.13"
+            castxml: "castxml"
+            castxml-epic: 0
+            cppstd: "-std=c++14"
+
+          - os: ubuntu-24.04
+            compiler: gcc
+            version: "13"
+            python-version: "3.13"
+            castxml: "castxml"
+            castxml-epic: 0
+            cppstd: "-std=c++17"
+
+          - os: ubuntu-24.04
+            compiler: gcc
+            version: "13"
+            python-version: "3.13"
+            castxml: "castxml"
+            castxml-epic: 0
+            cppstd: "-std=c++20"
+
+          - os: ubuntu-24.04
+            compiler: gcc
+            version: "13"
+            python-version: "3.13"
+            castxml: "castxml"
+            castxml-epic: 0
+            cppstd: "-std=c++23"
+
           # UBUNTU 24.04 - CASTXML EPIC 1
           - os: ubuntu-24.04
             compiler: gcc