Enable checks for pointer arithmetic

Quite a few places we've disobeyed this rule, so simply ignore them for
now to avoid new issues popping up.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I3e518a8e8742279afb3ad1a9dad54006ed109fb1
diff --git a/include/async_resolve.hpp b/include/async_resolve.hpp
index c69fd87..0945001 100644
--- a/include/async_resolve.hpp
+++ b/include/async_resolve.hpp
@@ -80,6 +80,7 @@
                     }
                     uint16_t portNum = 0;
                     auto it = std::from_chars(
+                        // NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-pointer-arithmetic)
                         port.data(), port.data() + port.size(), portNum);
                     if (it.ec != std::errc())
                     {