v0.39.0rc2

What's Changed

• Update runners used on CI by @cqc-alec in #511
• fix issues with QIR in cost function and update expected results by @cqc-melf in #512
• Simplify passing of kwargs in cost() function by @cqc-alec in #513
• Use QIR by default for program submission by @cqc-alec in #508
• Remove unused "type: ignore" comments for mypy by @cqc-alec in #514
• Fix test for maximum number of classical registers. by @cqc-alec in #518
• Update docstrings in credential_storage.py by @yao-cqc in #516
• update pytket qir 0.15.0 by @cqc-melf in #519
• fix: replace usage of deprecated squashing and rebase passes by @CalMacCQ in #521
• docs: port docs source to markdown, fix links by @CalMacCQ in #522
• update os version by @cqc-melf in #523
• Set number of qubits for leakage detection by @sjdilkes in #525
• Bugfix/allow implicit swaps not handled correctly by @yao-cqc in #526
• Melf/update pytket qir 16 by @cqc-melf in #529
• Melf/add negative results handling by @cqc-melf in #528
• Update version and changelog for 0.39.0rc2 release candidate by @cqc-alec in #530

Full Changelog: v0.38.1...v0.39.0rc2