docs: update guide to recommend v0.64.2

See https://github.com/penumbra-zone/penumbra/releases/tag/v0.64.2 Since the point release was made on a feature branch, we must manually update the version listed in the docs, so that the deploys from "main" stay accurate.
penumbra-zone · Jan 8, 2024 · 6d239c2 · 6d239c2
1 parent d82f2a9
commit 6d239c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/guide/src/penumbra_version.md b/docs/guide/src/penumbra_version.md
@@ -1 +1 @@
-v0.64.1
+v0.64.2