Fix variable not set error when verbose is not used $VerbosePreference is 'SilentlyContinue'

Author: joeltimothyoh

src/PSGitHubRestApi/Public/Edit-GitHubRepositoryRelease.ps1

@@ -62,7 +62,9 @@ function Edit-GitHubRepositoryRelease {
         $_bodyJson = $_body | ConvertTo-Json -Depth 100
         "Uri: '$_uri'" | Write-Verbose
         "Headers:" | Write-Verbose
-        $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        if ($VerbosePreference -ne 'SilentlyContinue') {
+            $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        }
         "Body:" | Write-Verbose
         $_body | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
     }process{

src/PSGitHubRestApi/Public/Get-GitHubRepositoryRelease.ps1

@@ -38,7 +38,9 @@ function Get-GitHubRepositoryRelease {
         }
         "Uri: '$_uri'" | Write-Verbose
         "Headers:" | Write-Verbose
-        $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        if ($VerbosePreference -ne 'SilentlyContinue') {
+            $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        }
     }process{
         try {
             "Invoking Web Request" | Write-Verbose

src/PSGitHubRestApi/Public/New-GitHubRepository.ps1

@@ -108,7 +108,9 @@ function New-GitHubRepository {
         $_bodyJson = $_body | ConvertTo-Json -Depth 100
         "Uri: '$_uri'" | Write-Verbose
         "Headers:" | Write-Verbose
-        $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        if ($VerbosePreference -ne 'SilentlyContinue') {
+            $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        }
         "Body:" | Write-Verbose
         $_body | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
     }process{

src/PSGitHubRestApi/Public/New-GitHubRepositoryRelease.ps1

@@ -58,7 +58,9 @@ function New-GitHubRepositoryRelease {
         $_bodyJson = $_body | ConvertTo-Json -Depth 100
         "Uri: '$_uri'" | Write-Verbose
         "Headers:" | Write-Verbose
-        $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        if ($VerbosePreference -ne 'SilentlyContinue') {
+            $_headersMasked | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
+        }
         "Body:" | Write-Verbose
         $_body | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Verbose
     }process{