Update TFM to .NET 6

Author: ronaldbarendse

src/Umbraco.Cloud.StorageProviders.AzureBlob/Umbraco.Cloud.StorageProviders.AzureBlob.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
         <Nullable>enable</Nullable>
         <AnalysisMode>AllEnabledByDefault</AnalysisMode>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>

src/Umbraco.Cloud.StorageProviders.AzureBlob/packages.lock.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "dependencies": {
-    ".NETCoreApp,Version=v5.0": {
+    "net6.0": {
       "Microsoft.SourceLink.GitHub": {
         "type": "Direct",
         "requested": "[1.1.1, )",
@@ -1244,11 +1244,7 @@
       "System.IO.Hashing": {
         "type": "Transitive",
         "resolved": "6.0.0",
-        "contentHash": "Rfm2jYCaUeGysFEZjDe7j1R4x6Z6BzumS/vUT5a1AA/AWJuGX71PoGB0RmpyX3VmrGqVnAwtfMn39OHR8Y/5+g==",
-        "dependencies": {
-          "System.Buffers": "4.5.1",
-          "System.Memory": "4.5.4"
-        }
+        "contentHash": "Rfm2jYCaUeGysFEZjDe7j1R4x6Z6BzumS/vUT5a1AA/AWJuGX71PoGB0RmpyX3VmrGqVnAwtfMn39OHR8Y/5+g=="
       },
       "System.IO.Pipelines": {
         "type": "Transitive",