Fix: updated runner image versions (#216)

Author: itay-grudev

.github/workflows/main.yml

@@ -20,19 +20,19 @@ jobs:
           - 6.2.4
           - 6.5.0
         platform:
-          - ubuntu-20.04
+          - ubuntu-latest
           - windows-latest
-          - macos-13
+          - macos-15-intel
         include:
           - qt_version: 6.2.4
             additional_arguments: -D QT_DEFAULT_MAJOR_VERSION=6
           - qt_version: 6.5.0
             additional_arguments: -D QT_DEFAULT_MAJOR_VERSION=6
-          - platform: ubuntu-20.04
+          - platform: ubuntu-latest
             make: make
             CXXFLAGS: -Wall -Wextra -pedantic -Werror
             MAKEFLAGS: -j2
-          - platform: macos-13
+          - platform: macos-15-intel
             make: make
             CXXFLAGS: -Wall -Wextra -pedantic -Werror
             MAKEFLAGS: -j3