v0.40.0

What's Changed

• Enables where clauses for traits. by @esdrubal in #4584
• Stabilize module privacy by @IGI-111 in #4574
• Test reference examples under CI by @Braqzen in #4583
• fix: std publish directory by @eureka-cpu in #4590
• Benchmark / performance tracking by @tritao in #4564
• ci-fix: use latest (sourced via path) version of std while testing sway reference examples by @kayagokalp in #4597
• fix: std publish directory -- deploy step by @eureka-cpu in #4591
• fix: std publish dir deploy by @eureka-cpu in #4606
• Upgrade to fuel-core 0.18.1 and fuels-rs 0.41 by @xgreenx in #4525
• Improve copy-propagation and DCE for memory operations by @vaivaswatha in #4592
• release: bump to v0.40.0 by @kayagokalp in #4601

Breaking Changes

• The new module privacy rules have now been stabilized and are the new default

New Optimizations

• Copy propagation improvements should result in significantly smaller binary sizes.
  Our test suite binaries are now 7% smaller on average, of those affected by the optimization 23% smaller on average, with a maximum reduction of 88%.

Full Changelog: v0.39.1...v0.40.0