Add help document to updateVersion.ps1

Author: andyleejordan

tools/updateVersion.ps1

@@ -20,5 +20,10 @@ $f = $f -replace '^(?<prefix>\s+<ModuleVersion>)(.+)(?<suffix></ModuleVersion>)$
 $f | Set-Content -Path $Path
 git add $Path
 
-git commit --edit --message v${Version}: $Changes"
-"
+$Path = "docs/Cmdlets/PSScriptAnalyzer.md"
+$f = Get-Content -Path $Path
+$f = $f -replace '^(?<prefix>Help Version: )(.+)$', "`${prefix}${Version}"
+$f | Set-Content -Path $Path
+git add $Path
+
+git commit --edit --message "v${Version}: $Changes"