upgrade rules_rust to 0.70.0 (from 0.59.2)

Signed-off-by: Lex Bailey <lex.bailey@lowrisc.org>

Author: lexbaileylowrisc

MODULE.bazel

@@ -14,9 +14,9 @@ bazel_dep(name = "rules_foreign_cc", version = "0.9.0")
 bazel_dep(name = "rules_fuzzing", version = "0.5.2")
 bazel_dep(name = "rules_pkg", version = "1.0.1")
 bazel_dep(name = "rules_python", version = "1.2.0")
-bazel_dep(name = "rules_rust_bindgen", version = "0.59.2")
-bazel_dep(name = "rules_rust_mdbook", version = "0.59.2")
-bazel_dep(name = "rules_rust", version = "0.59.2")
+bazel_dep(name = "rules_rust_bindgen", version = "0.70.0")
+bazel_dep(name = "rules_rust_mdbook", version = "0.70.0")
+bazel_dep(name = "rules_rust", version = "0.70.0")
 bazel_dep(name = "toolchains_llvm", version = "1.1.2")
 
 # Dev dependencies:
@@ -45,22 +45,13 @@ single_version_override(
     version = "0.1.2",
 )
 
-single_version_override(
-    module_name = "rules_rust",
-    patch_strip = 1,
-    patches = [
-        "@lowrisc_opentitan//third_party/rust/patches:rules_rust.extra_rustc_toolchain_dirs.patch",
-    ],
-    version = "0.59.2",
-)
-
 single_version_override(
     module_name = "rules_rust_bindgen",
     patch_strip = 3,
     patches = [
         "@lowrisc_opentitan//third_party/rust/patches:rules_rust.bindgen_static_lib.patch",
     ],
-    version = "0.59.2",
+    version = "0.70.0",
 )
 
 single_version_override(