Update the develop branch to 2022.09.02 / b518e8c943a8

Update the version of alpaka to the HEAD of the develop branch as of 2022.09.02,
corresponding to the commit b518e8c943a8 .

Major changes:
  - change the interface of allocMappedBuf() to identify the platform
    with an explicit template parameter instead of deducing it from an
    (unused) device argument;
  - use CUDART_VERSION instead of BOOST_LANG_CUDA.

Other changes:
  - add missing template parameters.

alpaka.spec

@@ -1,7 +1,7 @@
-### RPM external alpaka develop-20220811
+### RPM external alpaka develop-20220902
 ## NOCOMPILER
 
-%define git_commit 30d205f46d7f9235dd49b4cccd4d2daaa25e0f04
+%define git_commit b518e8c943a816eba06c3e12c0a7e1b58c8faedc
 
 Source: https://github.com/alpaka-group/%{n}/archive/%{git_commit}.tar.gz
 Requires: boost