Production Release 2026-07-15

What's Changed

• Update CSP to match Google help docs for analytics [WT-1453] by @stephaniehobson in #17292
• GCS DB follow-ups: explicit dep, config(), rename to GCS_DB_BUCKET by @stevejalim in #17293
• dependency updates for @babel/core and @babel/preset-env by @wen-2018 in #17285
• Remove dead email-mieco/ email gateway (WT-1315) by @janriokrause in #17294

Full Changelog: 2026-07-14.2...2026-07-15