Cpp23 best practices

[PBrunot]

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[github-actions]

Firmware size changes for hardware-rev0-it_IT

Commit CURRENT 2000d9b vs REFERENCE 0288d18

<CURRENT> MAP file: ../firmware.map.latest
<REFERENCE> MAP file: ../firmware.map.previous
Difference is counted as <CURRENT> - <REFERENCE>,           i.e. a positive number means that <CURRENT> is larger.
Total sizes of <CURRENT>:                                       <REFERENCE>     Difference
Used static IRAM:   16383 bytes (      1 remain, 100.0% used)          16383                (     +0 remain,      +0 total)
      .text size:   15356 bytes                                       15356
   .vectors size:    1027 bytes                                        1027
Used stat D/IRAM:   88003 bytes ( 253757 remain, 25.7% used)          87955            +48 (    -48 remain,      +0 total)
      .data size:   17148 bytes                                       17164            -16
      .bss  size:   32000 bytes                                       31992             +8
      .text size:   38855 bytes                                       38799            +56
Used Flash size :  895146 bytes                                      890438          +4708
           .text:  819570 bytes                                      814734          +4836
         .rodata:   75320 bytes                                       75448           -128
Total image size:  967532 bytes (.bin may be padded larger)          962784          +4748

[github-actions]

Firmware size changes for esp32-devboard

Commit CURRENT 2000d9b vs REFERENCE 0288d18

<CURRENT> MAP file: ../firmware.map.latest
<REFERENCE> MAP file: ../firmware.map.previous
Difference is counted as <CURRENT> - <REFERENCE>,           i.e. a positive number means that <CURRENT> is larger.
Total sizes of <CURRENT>:                                       <REFERENCE>     Difference
Used static DRAM:   54952 bytes (  69628 remain, 44.1% used)          54928            +24 (    -24 remain,      +0 total)
      .data size:   21712 bytes                                       21712
      .bss  size:   33240 bytes                                       33216            +24
Used static IRAM:   72298 bytes (  99734 remain, 42.0% used)          72298                (     +0 remain,      +0 total)
      .text size:   71271 bytes                                       71271
   .vectors size:    1027 bytes                                        1027
Used Flash size :  865854 bytes                                      862686          +3168
           .text:  794806 bytes                                      791622          +3184
         .rodata:   70792 bytes                                       70808            -16
Total image size:  959864 bytes (.bin may be padded larger)          956696          +3168