[roll recipes_version.txt] multiple_submodule_roller: Explicitly initialize submodules

Explicitly initialize submodules that are being rolled.

Original-Bug: 624
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/83360

https://pigweed.googlesource.com/infra/recipes
recipes_version.txt Rolled-Commits: 061edeca2b0ea03..341112151dcd9ff

GitOrigin-RevId: 57a0bd080208f9ae60f56b43306ccbc38d8c15bf
Change-Id: I73a8d72820b7cf04a77d133df08bb32188c97881
diff --git a/recipes_version.txt b/recipes_version.txt
index 393d37b..4d170d8 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-061edeca2b0ea03d82d9b4ef017950ea5a4defe2
\ No newline at end of file
+341112151dcd9ff63f25575294fb1f2c426aec23
\ No newline at end of file