Update 1 NuGet dependencies

Bumps nanoFramework.Runtime.Events from 2.0.0-preview.17 to 2.0.0-preview.19</br>
[version update]

### ⚠️ This is an automated update. ⚠️

Author: nfbot

System.IO.FileSystem/System.IO.FileSystem.nfproj

@@ -92,7 +92,7 @@
       <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.17\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.19\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>

System.IO.FileSystem/packages.config

@@ -4,7 +4,7 @@
   <package id="Microsoft.SourceLink.Common" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="Microsoft.SourceLink.GitHub" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.10.94" developmentDependency="true" targetFramework="netnano1.0" />

System.IO.FileSystem/packages.lock.json

@@ -28,9 +28,9 @@
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "m+hCcq3jtakTPnsufdZY8Mv/Akh+MIk11qUV9+GCq9Io7lXgnI5oDOfOO0lx2Z3fPGgoP4o3YwL9mGycc4tbeQ=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "stA/5UwMO802D6B2z6rcvQVsdpX2eUywhWPDQ/elvm7dAc6clpC9s3WuhFGI8NiuLnJftU6g4Kmj68CS9QYmxQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",

nanoFramework.System.IO.FileSystem.nuspec

@@ -21,7 +21,7 @@ This package requires a target with System.IO.FileSystem native contract hash $n
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
         <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" />
         <dependency id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" />
         <dependency id="nanoFramework.System.Text" version="2.0.0-preview.37" />
       </group>