Update README.md

replace broken link

Vaisala_RS41/README.md

@@ -128,7 +128,7 @@ On the 2x5 2 mm pinheader `J602` at the lower edge of the sonde the following co
  * Reset pin of the MCU
  * Battery voltage, 3.8 V boost voltage and 3 V MCU voltage
  
-The mating ribbon connector is from the [Amphenol Minitek](https://www.amphenol-icc.com/minitek-89361710lf.html) series, samples can be ordered for free.
+The mating ribbon connector is from the [Amphenol Minitek](https://www.digikey.de/en/products/detail/amphenol-cs-fci/89361-710LF/1535087) series.
  
  ```
  Pinout of XDATA connector                                    Pinout of connected ribbon cable