fix(install): strip pre-release suffix before semver parsing in both install scripts

Author: parv68

scripts/install.ps1

@@ -38,7 +38,7 @@ if (-not $Version) {
     try {
         $releases = Invoke-RestMethod -Uri "https://api.github.com/repos/$Repo/releases?per_page=30" -ErrorAction Stop
         $releases = $releases | Where-Object { -not $_.draft -and -not $_.prerelease }
-        $latest = $releases | Sort-Object { [System.Version]($_.tag_name -replace '^v', '') } -Descending | Select-Object -First 1
+        $latest = $releases | Sort-Object { [System.Version](($_.tag_name -replace '^v', '') -replace '-.*', '') } -Descending | Select-Object -First 1
         if (-not $latest) { throw "No stable releases found" }
         $Version = $latest.tag_name
     } catch {

scripts/install.sh

@@ -56,7 +56,7 @@ get_latest_version() {
             grep '"tag_name"' | \
             sed -E 's/.*"([^"]+)".*/\1/' | \
             grep -v -- '-rc\|-alpha\|-beta' | \
-            sed 's/^v//' | \
+            sed 's/^v//; s/-.*//' | \
             sort -t. -k1,1n -k2,2n -k3,3n | \
             tail -1 | \
             sed 's/^/v/')