CODEOWNERS: add codeowner of rpi_pico_temp

Add myself as codeowner of previously committed driver.

- zephyrproject-rtos#53591

Signed-off-by: TOKITA Hiroshi <[email protected]>

Author: soburi

CODEOWNERS

@@ -410,6 +410,7 @@
 /drivers/sensor/lsm*/                     @avisconti
 /drivers/sensor/mpr/                      @sven-hm
 /drivers/sensor/qdec_stm32/               @valeriosetti
+/drivers/sensor/rpi_pico_temp/            @soburi
 /drivers/sensor/st*/                      @avisconti
 /drivers/serial/*b91*                     @andy-liu-telink
 /drivers/serial/uart_altera_jtag.c        @nashif @gohshunjing