chore: bump version to 0.2.0

Updates conanfile.py recipe version and CMakeLists.txt
PJ_PACKAGE_VERSION in lockstep so the Conan-published version
and the installed CMake package version stay coherent.

The Release workflow validates conanfile.py vs the tag before
publishing to Cloudsmith.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: Davide Faconti

CMakeLists.txt

@@ -183,7 +183,7 @@ endif()
 if(PJ_INSTALL_SDK)
   include(CMakePackageConfigHelpers)
 
-  set(PJ_PACKAGE_VERSION "0.1.0")
+  set(PJ_PACKAGE_VERSION "0.2.0")
   set(PJ_PACKAGE_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/plotjuggler_core)
 
   install(EXPORT plotjuggler_coreTargets

conanfile.py

@@ -27,7 +27,7 @@
 
 class PlotjugglerCoreConan(ConanFile):
     name = "plotjuggler_core"
-    version = "0.1.0"
+    version = "0.2.0"
     license = "MIT"
     url = "https://github.com/PlotJuggler/plotjuggler_core"
     description = "C++20 foundation libraries for PlotJuggler: storage engine, plugin SDK, plugin host loaders."