[roll recipes_version.txt] checkout: Simplify cache path

Remove the 'new' folder from the cache path. This was only there to
prevent cache churn while testing and transitioning.

Original-Bug: b/217449281
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/85660

https://pigweed.googlesource.com/infra/recipes
recipes_version.txt Rolled-Commits: d9e741216bc46e9..2b2716286830a6f

GitOrigin-RevId: 0fbc939b3a9882ccb7c1f717e7fb67af649a3be3
Change-Id: I1a0d3797010a7f88f68f29f4c1934b29bacfafc9
diff --git a/recipes_version.txt b/recipes_version.txt
index 96446b7..0ffb168 100644
--- a/recipes_version.txt
+++ b/recipes_version.txt
@@ -1 +1 @@
-d9e741216bc46e968e755dd16c836928c2cab795
\ No newline at end of file
+2b2716286830a6f62bc58cdf5e4204d873194a90
\ No newline at end of file