release: prepare v0.2.1

Author: bernalde

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 ## Unreleased
 
+## v0.2.1 - 2026-07-21
+
+- No breaking changes.
+- Support LinearSolve 4.2 while retaining compatibility with LinearSolve 3.82.
+- Make compatibility metadata tests robust to future compat expansion.
+- Keep the full Julia and operating-system CI matrix while avoiding unnecessary
+  precompilation of the complete transitive test environment.
+- Harden TagBot permissions and update GitHub Actions dependencies.
+
 ## v0.2.0 - 2026-06-13
 
 - Update compatibility to QUBODrivers 0.6.1 and replace the exact LinearSolve

Project.toml

@@ -1,7 +1,7 @@
 name = "QuantumAnnealingInterface"
 uuid = "d8651ca0-0f93-43a8-b432-4648ccd57c1f"
 authors = ["pedromxavier <pedromxavier@psr-inc.com>", "David E. Bernal Neira <dbernaln@purdue.edu>"]
-version = "0.2.0"
+version = "0.2.1"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"