p44build: update to latest version

plan44 · plan44 · commit b6686ec2a469 · 2024-12-20T17:31:22.000+01:00
diff --git a/p44build b/p44build
@@ -1 +1 @@
-Subproject commit 6643b7bb3210aaa8c7bca66a6008c1923bba7ed9
+Subproject commit 671e39fb52b9d17d7e3dd00e82c4bdd84a8951dd
