v0.8.6

What's Changed

• Improve ZST DST error message by @joshlf in #1873
• [ci] Roll pinned nightly toolchain by @google-pr-creation-bot in #1879
• [ci] Enforce on PRs to v0.8.x by @joshlf in #1880
• [ci] Roll pinned nightly toolchain by @google-pr-creation-bot in #1899
• [pointer] Fix soundness hole in read_unaligned by @joshlf in #1893
• [ci] Roll pinned nightly toolchain by @google-pr-creation-bot in #1901
• [ci] Roll pinned nightly toolchain by @google-pr-creation-bot in #1914
• Remove deprecated FromBytes::(mut_)slice_from items by @jswrenn in #1923

Full Changelog: v0.8.5...v0.8.6