v0.40.0

What's Changed

• fix: failing docs build by @CalMacCQ in #537
• update pytket qir 0.17.0 by @cqc-melf in #534
• Update dependencies by @cqc-alec in #539
• Allow circuits containuing OpType.ClExpr operations by @cqc-alec in #540
• fix: Use API handler for available devices by @johnchildren in #541
• docs: link to H-Series documentation by @CalMacCQ in #538
• Update version and changelog for 0.40.0 release. by @cqc-alec in #542

Full Changelog: v0.39.0...v0.40.0