Update 2 NuGet dependencies

Bumps nanoFramework.M5Core2 from 1.1.272 to 1.1.273</br>Bumps nanoFramework.System.IO.FileSystem from 1.1.80 to 1.1.81</br>
[version update]

### ⚠️ This is an automated update. ⚠️

Author: nfbot

devices/Ft6xx6x/samples/Ft6xx6x.Samples.nfproj

@@ -53,8 +53,8 @@
     <Reference Include="nanoFramework.Hardware.Esp32, Version=1.6.31.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Hardware.Esp32.1.6.31\lib\nanoFramework.Hardware.Esp32.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M5Core2, Version=1.1.272.0, Culture=neutral, PublicKeyToken=null">
-      <HintPath>..\packages\nanoFramework.M5Core2.1.1.272\lib\nanoFramework.M5Core2.dll</HintPath>
+    <Reference Include="nanoFramework.M5Core2, Version=1.1.273.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\nanoFramework.M5Core2.1.1.273\lib\nanoFramework.M5Core2.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.ResourceManager, Version=1.2.30.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.ResourceManager.1.2.30\lib\nanoFramework.ResourceManager.dll</HintPath>
@@ -101,8 +101,8 @@
     <Reference Include="System.Diagnostics.Stopwatch, Version=1.2.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Diagnostics.Stopwatch.1.2.815\lib\System.Diagnostics.Stopwatch.dll</HintPath>
     </Reference>
-    <Reference Include="System.IO.FileSystem, Version=1.1.80.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.IO.FileSystem.1.1.80\lib\System.IO.FileSystem.dll</HintPath>
+    <Reference Include="System.IO.FileSystem, Version=1.1.81.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.IO.FileSystem.1.1.81\lib\System.IO.FileSystem.dll</HintPath>
     </Reference>
     <Reference Include="System.IO.Ports, Version=1.1.125.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.IO.Ports.1.1.125\lib\System.IO.Ports.dll</HintPath>

devices/Ft6xx6x/samples/packages.config

@@ -11,7 +11,7 @@
   <package id="nanoFramework.Iot.Device.Ft6xx6x" version="1.2.814" targetFramework="netnano1.0" />
   <package id="nanoFramework.Iot.Device.Mpu6886" version="1.2.822" targetFramework="netnano1.0" />
   <package id="nanoFramework.Iot.Device.Rtc" version="1.2.822" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M5Core2" version="1.1.272" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M5Core2" version="1.1.273" targetFramework="netnano1.0" />
   <package id="nanoFramework.ResourceManager" version="1.2.30" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.30" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.9" targetFramework="netnano1.0" />
@@ -25,7 +25,7 @@
   <package id="nanoFramework.System.Device.Pwm" version="1.1.21" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Device.Spi" version="1.3.77" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.2.815" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.IO.FileSystem" version="1.1.80" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.IO.FileSystem" version="1.1.81" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Ports" version="1.1.125" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.89" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Math" version="1.5.102" targetFramework="netnano1.0" />

devices/Ft6xx6x/samples/packages.lock.json

@@ -70,9 +70,9 @@
       },
       "nanoFramework.M5Core2": {
         "type": "Direct",
-        "requested": "[1.1.272, 1.1.272]",
-        "resolved": "1.1.272",
-        "contentHash": "Fs45VpT3ADBofr33LwOo5YIXS38JHM5xwbicJVt+POP1GG7pPymEXEhtg7Do3EUtakisfGTcmv+yU3ZKJTZGfQ=="
+        "requested": "[1.1.273, 1.1.273]",
+        "resolved": "1.1.273",
+        "contentHash": "Fcu7zlWZ3EtwmLr+yDjGKk47VdqnUuI27Vua5JXrfGgsXXlisRh2phEBJ9KYt3IodABfZoQL6r00ykjZ8yNiuw=="
       },
       "nanoFramework.ResourceManager": {
         "type": "Direct",
@@ -154,9 +154,9 @@
       },
       "nanoFramework.System.IO.FileSystem": {
         "type": "Direct",
-        "requested": "[1.1.80, 1.1.80]",
-        "resolved": "1.1.80",
-        "contentHash": "DQ7o0IDznDJLZ3CwWqIZdixaRDo7KxZktAyfHmD5PCAd1GiFNG6K0E/L6flBN4JypMT1Th+h29vEGyCQbwoGpg=="
+        "requested": "[1.1.81, 1.1.81]",
+        "resolved": "1.1.81",
+        "contentHash": "ofjRWzWnD9T8wKSM9GrJYqEbWZqhEITAg6oRk/lJXqxoNk3OPqHfYxQpqlOBu9ArYPWXS2shz2b1nBfmzkzicA=="
       },
       "nanoFramework.System.IO.Ports": {
         "type": "Direct",