gcc: mark hardeningUnsupportedFlags fortify3 for all but gcc 12

pkgs/development/compilers/gcc/10/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/11/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/4.8/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;
     isGNU = true;
-    hardeningUnsupportedFlags = [ "stackprotector" ];
+    hardeningUnsupportedFlags = [ "stackprotector" "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/4.9/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/6/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langAda langGo version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/7/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/8/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/gcc/9/default.nix

···
   passthru = {
     inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD version;
     isGNU = true;
+    hardeningUnsupportedFlags = [ "fortify3" ];
   };
 
   enableParallelBuilding = true;

pkgs/stdenv/linux/bootstrap-tools-musl/default.nix

···
   langC = true;
   langCC = true;
   isGNU = true;
+  hardeningUnsupportedFlags = [ "fortify3" ];
 } // extraAttrs)

pkgs/stdenv/linux/bootstrap-tools/default.nix

···
   langC = true;
   langCC = true;
   isGNU = true;
+  hardeningUnsupportedFlags = [ "fortify3" ];
 } // extraAttrs)