refactor(alpine): use ListInstalledPackages for pre-snapshot in ApkCommand

Replace ParseAlpineInstalledDB with the new ListInstalledPackages helper
that runs "apk list --installed". This is consistent with the refactor in
build-info-go/build/utils/alpine.go.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: naveenku-jfrog

artifactory/commands/alpine/apkcommand.go

@@ -94,9 +94,9 @@ func (c *ApkCommand) Run() error {
 	// --- Phase 1: pre-exec ---
 	var preSnapshot []biUtils.AlpinePackage
 	if needsBuildInfo {
-		preSnapshot, err = biUtils.ParseAlpineInstalledDB(biUtils.AlpineInstalledDB)
+		preSnapshot, err = biUtils.ListInstalledPackages()
 		if err != nil {
-			log.Warn("[WARN] Cannot read Alpine package database — Build Info not captured:", err)
+			log.Warn("[WARN] Cannot list installed packages — Build Info not captured:", err)
 			needsBuildInfo = false
 		}
 	}