ucode: update to latest Git HEAD

973cc6c compiler: actually expand block scope fix to for/while alt syntax
97bf297 compiler: ensure that alternative if/for/while syntax has own block scope
f0e2a64 tests: add missing test case for fixed switch codegen

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

package/utils/ucode/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=https://github.com/jow-/ucode.git
-PKG_SOURCE_DATE:=2021-03-29
-PKG_SOURCE_VERSION:=aa9621db401e881ffcdea03be272c94149484ccf
-PKG_MIRROR_HASH:=11b7de10e6ab91742d8a633a0030dde86118ffe73031cdf9c192cb3fded97a20
+PKG_SOURCE_DATE:=2021-03-31
+PKG_SOURCE_VERSION:=973cc6c865dcf6075c493125313058b650b08234
+PKG_MIRROR_HASH:=fb4d3e231c79a9122743f0ced7fd4fdcf81903de5c721d3c18d5779e44d50bdf
 PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
 PKG_LICENSE:=ISC