Bump version to v0.18 (#138)

Author: qinsoon

CHANGELOG.md

@@ -1,3 +1,8 @@
+0.18.0 (2023-04-03)
+===
+
+* Update to mmtk-core 0.18.0.
+
 0.17.0 (2023-02-17)
 ===
 

mmtk/Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "mmtk_jikesrvm"
-version = "0.17.0"
+version = "0.18.0"
 authors = [" <>"]
 rust-version = "1.61.0"
 
@@ -28,7 +28,7 @@ log = {version = "0.4", features = ["max_level_trace", "release_max_level_off"]
 # - change branch/rev
 # - change repo name
 # But other changes including adding/removing whitespaces in commented lines may break the CI.
-mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "0fb520a61795c5a079ce09f59f1da7af7c3422d5" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "f8469b0a019bea58cba26e9fb5c70fb7398ccd31" }
 # Uncomment the following to build locally - if you change the path locally, do not commit the change in a PR
 # mmtk = { path = "../repos/mmtk-core" }