[build] Upgrade macOS GCC to v13

Author: salkinium

docs/src/guide/installation.md

@@ -196,7 +196,7 @@ brew link --force avr-gcc@13
 To compile modm *for x86_64 macOS* you need to install these tools too:
 
 ```sh
-brew install boost gcc
+brew install boost gcc@13
 ```
 
 

tools/build_script_generator/scons/resources/SConscript.in

@@ -22,8 +22,8 @@ env["COMPILERPREFIX"] = "avr-"
 env["COMPILERPREFIX"] = "arm-none-eabi-"
 %% endif
 %% if family == "darwin"
-# Using homebrew gcc-12 on macOS instead of clang
-env["COMPILERSUFFIX"] = "-12"
+# Using homebrew gcc-13 on macOS instead of clang
+env["COMPILERSUFFIX"] = "-13"
 %% endif
 %% endif