regenerate-meson: re-run with latest from sdbusplus

The sdbus++-gen-meson has a new version, which requires regenerating
all the meson in this repository.  Re-run the `regenerate-meson`
script.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I786e8b68507d87e66e26df5c6789c67ff9755b31
diff --git a/gen/meson.build b/gen/meson.build
index 23394ace..b550c79 100644
--- a/gen/meson.build
+++ b/gen/meson.build
@@ -5,10 +5,10 @@
     check: true,
 ).stdout().strip().split('\n')[0]
 
-if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 6'
+if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 7'
     warning('Generated meson files from wrong version of sdbus++-gen-meson.')
     warning(
-        'Expected "sdbus++-gen-meson version 6", got:',
+        'Expected "sdbus++-gen-meson version 7", got:',
         sdbuspp_gen_meson_ver
     )
 endif