build(deps): bump deps/libtomcrypt from b96e96c to 7e863d2

Bumps [deps/libtomcrypt](https://github.com/libtom/libtomcrypt) from `b96e96c` to `7e863d2`.
- [Release notes](https://github.com/libtom/libtomcrypt/releases)
- [Commits](b96e96cf8b...7e863d2142)

---
updated-dependencies:
- dependency-name: deps/libtomcrypt
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

deps/libtomcrypt

@@ -1 +1 @@
-Subproject commit b96e96cf8b22a931e8e91098ac37bc72f9e2f033
+Subproject commit 7e863d21429f94ed6a720e24499a12a3f852bb31