chore: fix missing HTTPS on links

mrbgems/mruby-compiler/core/y.tab.c

@@ -16,7 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work

src/array.c

@@ -60,7 +60,7 @@ mrb_ary_new(mrb_state *mrb)
  * * gcc on ARM may fail optimization of memcpy
  *   http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka3934.html
  * * gcc on MIPS also fail
- *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39755
+ *   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39755
  * * memcpy doesn't exist on freestanding environment
  *
  * If you optimize for binary size, use memcpy instead of this at your own risk