chore: add script to bump the global Gateway version

tools/bump-version.ps1

@@ -0,0 +1,44 @@
+#!/bin/env pwsh
+
+param(
+        [Parameter(Mandatory=$true)]
+        [string] $NewVersion
+)
+
+$ErrorActionPreference = "Stop"
+
+Push-Location -Path $PSScriptRoot
+Set-Location -Path ..
+
+$targetFiles = @(
+	'./VERSION'
+	'./jetsocat/Cargo.toml'
+	'./devolutions-gateway/Cargo.toml'
+	'./powershell/DevolutionsGateway/DevolutionsGateway.psd1'
+	'./Cargo.lock'
+	'./fuzz/Cargo.lock'
+)
+
+try {
+	$currentVersion = Get-Content -Path './VERSION'
+	Write-Host "Current version is $currentVersion"
+	Write-Host "Next version is $NewVersion"
+	Write-Host
+
+	ForEach ($file in $targetFiles)
+	{
+		Write-Host "Updating $file"
+		((Get-Content -Path "$file" -Raw) -Replace "$currentVersion","$NewVersion") | Set-Content -Path "$file" -NoNewline
+	}
+	Write-Host
+
+	Write-Host 'Script executed successfully. Run `git status` to make sure everything looks good.'
+}
+catch {
+	Write-Host 'An error occurred:'
+	Write-Host $_.ScriptStackTrace
+}
+finally {
+	Pop-Location
+}
+