Minor release v0.3.0

Author: njroussel

docs/release_notes.rst

@@ -5,7 +5,7 @@ Being an experimental research framework, Dr.Jit does not strictly follow the
 `Semantic Versioning <https://semver.org/>`_ convention. That said, we will
 strive to document breaking API changes in the release notes below.
 
-Incoming release
+Dr.Jit 0.3.0
 ----------------
 
 - Update Dr.Jit Core (various performance and stability improvements)

include/drjit/fwd.h

@@ -66,8 +66,8 @@
 #endif
 
 #define DRJIT_VERSION_MAJOR 0
-#define DRJIT_VERSION_MINOR 2
-#define DRJIT_VERSION_PATCH 2
+#define DRJIT_VERSION_MINOR 3
+#define DRJIT_VERSION_PATCH 0
 
 #define DRJIT_STRINGIFY(x) #x
 #define DRJIT_TOSTRING(x)  DRJIT_STRINGIFY(x)