Weekly pre-release

What's Changed

• Update copyright headers of files touched from late 2021 to 2023 by @barrbrain in #3307
• CI: Build windows-gnu-avx2 artifact with x86_64-pc-windows-gnu by @barrbrain in #3306
• chore(deps): lock file maintenance by @renovate in #3310
• chore(deps): update actions/upload-artifact action to v4 by @renovate in #3309
• chore(deps): update actions/download-artifact action to v4 by @renovate in #3308
• Add review policy. by @tdaede in #1529
• Add rav1e_config_parse_bool by @lu-zero in #2157
• CI: Fix artifact names for manual pre-release tag by @barrbrain in #3311
• Add a cli option to use the high_bitdepth codepath for 8bit content by @lu-zero in #2746

Full Changelog: p20231213...p20231219