build CHANGE require libpcre2 version 10.30 or greater

Due to use of PCRE2_ENDANCHORED macro, we need the specific version of this
library.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3d9160..c592d44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -282,7 +282,7 @@
 
 # find PCRE2 library
 unset(PCRE2_LIBRARY CACHE)
-find_package(PCRE2 REQUIRED)
+find_package(PCRE2 10.30 REQUIRED)
 include_directories(${PCRE2_INCLUDE_DIRS})
 target_link_libraries(yang ${PCRE2_LIBRARIES})