Bump version and shlib version.

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 54f1f2a..93b46a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@
 endif()
 
 project(libzip
-  VERSION 1.7.3.1
+  VERSION 1.8.0
   LANGUAGES C)
 
 option(ENABLE_COMMONCRYPTO "Enable use of CommonCrypto" ON)

lib/CMakeLists.txt

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 4db84f8..1069cec 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -172,7 +172,7 @@
 endif()
 
 if(SHARED_LIB_VERSIONNING)
-  set_target_properties(zip PROPERTIES VERSION 5.3 SOVERSION 5)
+  set_target_properties(zip PROPERTIES VERSION 5.4 SOVERSION 5)
 endif()
 
 target_link_libraries(zip PRIVATE ZLIB::ZLIB)