feat(dns+ntp): DNS-Cache-Flush + NTP-Force-Sync — operative Aktionen (1.1.94)

Backend: POST /dns/flush-cache (unbound-control flush_zone .)
         POST /ntp/force-sync  (chronyc makestep)
Beide werden im Audit-Log festgehalten.
UI: Schaltflächen in DNS-Settings und NTP-Settings neben Save,
    mit Tooltip-Beschreibung + i18n (de+en).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

cmd/edgeguard-api/main.go

@@ -60,7 +60,7 @@ import (
 	usersvc "git.netcell-it.de/projekte/edgeguard-native/internal/services/users"
 )
 
-var version = "1.1.93"
+var version = "1.1.94"
 
 func main() {
 	addr := os.Getenv("EDGEGUARD_API_ADDR")

cmd/edgeguard-ctl/main.go

@@ -11,7 +11,7 @@ import (
 	"git.netcell-it.de/projekte/edgeguard-native/internal/services/setup"
 )
 
-var version = "1.1.93"
+var version = "1.1.94"
 
 const usage = `edgeguard-ctl — EdgeGuard CLI
 

cmd/edgeguard-scheduler/main.go

@@ -35,7 +35,7 @@ import (
 	"git.netcell-it.de/projekte/edgeguard-native/internal/services/tlscerts"
 )
 
-var version = "1.1.93"
+var version = "1.1.94"
 
 const (
 	// renewTickInterval — how often we re-evaluate expiring certs.