2026.8.0b6

• [api] Bump noise-c to 0.1.20 esphome#18482 by @bdraco
• [ci] Fail the benchmark job when the C++ benchmark build fails esphome#18480 by @bdraco
• [api] Bump noise-c to 0.1.21 esphome#18484 by @bdraco
• [modbus] CRC scan all unknown function codes esphome#18483 by @exciton
• [platformio] Give the ccache wrapper a cmd.exe safe path esphome#18495 by @bdraco
• [vscode] Report the origin of an unexpected exception during validation esphome#18494 by @bdraco
• [esp32] Fix ESP32-P4 bootloop on rev3 (v3.x) chips when only variant is set esphome#18500 by @swoboda1337
• [ci] Stop persisting the integration test ccache esphome#18504 by @swoboda1337
• Bump bundled esphome-device-builder to 1.11.3 esphome#18505 by @esphome[bot]
• Bump bundled esphome-device-builder to 1.11.4 esphome#18506 by @esphome[bot]
• Bump bundled esphome-device-builder to 1.11.5 esphome#18507 by @esphome[bot]
• [ci] Key PlatformIO cache on the Python version so a runner image bump does not serve a broken LibreTiny venv esphome#18512 by @bdraco
• Bump bundled esphome-device-builder to 1.12.0 esphome#18514 by @esphome[bot]
• [image] Restore defaults:/files: support for platform entries esphome#18032 by @clydebarrow (new-feature)
• [ci] Stop jobs hanging on apt by restoring the cached apt action and bounding raw apt calls esphome#18518 by @bdraco