treewide: use _Atomic instead of volatile

was: check notify_active before dereference in button callback

was: clear notify_active before freeing notify_data

was: guard notify_active with mutex

Docker: bump ESP-IDF to 5.3.4

audio: rework HTTP timeout behaviour

Revert "audio: set HTTP stream timeout after connect"

audio: set HTTP stream timeout after connect

sdkconfig: allocate Wi-Fi and LWIP in IRAM

sdkconfig: enable SPIRAM ECC

main: set Wi-Fi failure_retry_cnt to 3

network: use WIFI_CONNECT_AP_BY_SIGNAL sort_method

network: scan all Wi-Fi channels

network: explicitly set Wi-Fi authmode threshold

audio: replace es7210_adc_set_gain