Tag temp fxns protected as they should be

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

src/TinyGsmClientSIM5360.h

@@ -463,7 +463,7 @@ class TinyGsmSim5360 : public TinyGsmModem<TinyGsmSim5360>,
   /*
    * Temperature functions
    */
-
+ protected:
   // get temperature in degree celsius
   float getTemperatureImpl() {
     // Enable Temparature Reading

src/TinyGsmClientSIM7600.h

@@ -554,7 +554,7 @@ class TinyGsmSim7600 : public TinyGsmModem<TinyGsmSim7600>,
   /*
    * Temperature functions
    */
-
+ protected:
   // get temperature in degree celsius
   uint16_t getTemperatureImpl() {
     sendAT(GF("+CPMUTEMP"));

src/TinyGsmClientSaraR4.h

@@ -622,7 +622,7 @@ class TinyGsmSaraR4 : public TinyGsmModem<TinyGsmSaraR4>,
   /*
    * Temperature functions
    */
-
+ protected:
   float getTemperatureImpl() {
     // First make sure the temperature is set to be in celsius
     sendAT(GF("+UTEMP=0"));  // Would use 1 for Fahrenheit

src/TinyGsmClientSequansMonarch.h

@@ -378,7 +378,7 @@ class TinyGsmSequansMonarch
   /*
    * Temperature functions
    */
-
+ protected:
   float getTemperatureImpl() {
     sendAT(GF("+SMDTH"));
     if (waitResponse(10000L, GF("+SMDTH: ")) != 1) {