chore: fix LEAN_VERSION_MINOR for v4.29.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/CMakeLists.txt

@@ -10,9 +10,9 @@ endif()
 include(ExternalProject)
 project(LEAN CXX C)
 set(LEAN_VERSION_MAJOR 4)
-set(LEAN_VERSION_MINOR 30)
+set(LEAN_VERSION_MINOR 29)
 set(LEAN_VERSION_PATCH 0)
-set(LEAN_VERSION_IS_RELEASE 0) # This number is 1 in the release revision, and 0 otherwise.
+set(LEAN_VERSION_IS_RELEASE 1) # This number is 1 in the release revision, and 0 otherwise.
 set(LEAN_SPECIAL_VERSION_DESC "" CACHE STRING "Additional version description like 'nightly-2018-03-11'")
 set(LEAN_VERSION_STRING "${LEAN_VERSION_MAJOR}.${LEAN_VERSION_MINOR}.${LEAN_VERSION_PATCH}")
 if(LEAN_SPECIAL_VERSION_DESC)