[macos] add XCode-15.1 (#9002)

Author: ilia-shipitsin

images/macos/toolsets/toolset-13.json

@@ -3,6 +3,7 @@
         "default": "14.3.1",
         "x64": {
             "versions": [
+                { "link": "15.1", "version": "15.1.0+15C65", "install_runtimes": "true"},
                 { "link": "15.0.1", "version": "15.0.1+15A507", "symlinks": ["15.0"], "install_runtimes": "true"},
                 { "link": "14.3.1", "version": "14.3.1+14E300c","symlinks": ["14.3"], "install_runtimes": "true"},
                 { "link": "14.2", "version": "14.2.0+14C18", "install_runtimes": "true"},
@@ -11,6 +12,7 @@
         },
         "arm64":{
             "versions": [
+                { "link": "15.1", "version": "15.1.0+15C65", "install_runtimes": "true"},
                 { "link": "15.0.1", "version": "15.0.1+15A507", "symlinks": ["15.0"], "install_runtimes": "true"},
                 { "link": "14.3.1", "version": "14.3.1+14E300c","symlinks": ["14.3"], "install_runtimes": "true" },
                 { "link": "14.2", "version": "14.2.0+14C18", "install_runtimes": "true" },