Add git hash to Windows installer

Author: AlbrechtL

.github/workflows/windows.yml

@@ -78,7 +78,7 @@ jobs:
             $Filename = $current_date + "_" + $git_hash + "_Windows_welle-io-setup_x64"
 
             echo ""*** Run InnoSetup "***"
-            & ISCC /O.\ /F$Filename windows_installer.iss
+            & ISCC /O.\ /F$Filename /DGitHash=$git_hash windows_installer.iss
 
       - name: Archive artifacts (welle.io Windows installer)
         if: always() && steps.create_installer.outcome == 'success'

windows_installer.iss

@@ -6,9 +6,11 @@
 
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING .ISS SCRIPT FILES!
 
+#define GitHash "unkonwn_git_hash"
+
 [Setup]
 AppName=welle.io
-AppVersion=2.5-dev
+AppVersion=2.5-{#GitHash}
 WizardStyle=modern
 DefaultDirName={autopf}\welle.io
 DefaultGroupName=welle.io