docs: Add CHANGELOG entry for v0.2.1 (#377)

Author: varungandhi-src

CHANGELOG.md

@@ -1,5 +1,13 @@
 # scip-clang ChangeLog
 
+## v0.2.1 (beta)
+
+- Fixes a bug where the base compiler was not located correctly,
+  leading to standard library headers not being found.
+  This bug is when using a custom LLVM toolchain for Bazel,
+  such as grailbio/bazel-toolchain.
+  (https://github.com/sourcegraph/scip-clang/pull/375)
+
 ## v0.2.0 (beta)
 
 - Adds initial support for **cross-repository code navigation**.

indexer/Version.h

@@ -15,7 +15,7 @@ constexpr bool debugMode = true;
 constexpr bool debugMode = false;
 #endif
 
-#define VERSION "0.2.0"
+#define VERSION "0.2.1"
 #define LLVM_COMMIT \
   "e0f3110b854a476c16cce7b44472cd7838d344e9" // Keep synced with fetch_deps.bzl