Bump version/build number and update regression tests

Time for version 0.3 now that all the major P0707 metafunctions are pretty much working

Author: hsutter

regression-tests/test-results/pure2-type-and-namespace-aliases.cpp

@@ -82,7 +82,7 @@ auto const& v2 = std::move(v);
 }
 
 #line 26 "pure2-type-and-namespace-aliases.cpp2"
-    template<typename T> inline CPP2_CONSTEXPR int<T> myclass2<T>::value = 42;
+    template <typename T> inline CPP2_CONSTEXPR int myclass2<T>::value = 42;
 
 #line 29 "pure2-type-and-namespace-aliases.cpp2"
 auto main() -> int{

regression-tests/test-results/version

@@ -1,5 +1,5 @@
 
-cppfront compiler v0.2.1   Build 8A21:1022
+cppfront compiler v0.2.1   Build 8A21:1522
 Copyright(c) Herb Sutter   All rights reserved
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0

source/build.info

@@ -1 +1 @@
-"8A21:1022"
+"8A21:1522"

source/common.h

@@ -821,7 +821,7 @@ class cmdline_processor
         -> void
     {
         help_requested = true;
-        print("\ncppfront compiler v0.2.1   Build "
+        print("\ncppfront compiler v0.3.0   Build "
             #include "build.info"
         );
         print("\nCopyright(c) Herb Sutter   All rights reserved\n");