Fix commands

app/Console/Commands/BeaconCommand.php

@@ -40,7 +40,7 @@ class BeaconCommand extends Command
      *
      * @return void
      */
-    public function fire()
+    public function handle()
     {
         dispatch(new SendBeaconJob());
     }

app/Console/Commands/DemoMetricPointSeederCommand.php

@@ -46,7 +46,7 @@ class DemoMetricPointSeederCommand extends Command
      *
      * @return void
      */
-    public function fire()
+    public function handle()
     {
         if (!$this->confirmToProceed()) {
             return;

app/Console/Commands/DemoSeederCommand.php

@@ -79,7 +79,7 @@ class DemoSeederCommand extends Command
      *
      * @return void
      */
-    public function fire()
+    public function handle()
     {
         if (!$this->confirmToProceed()) {
             return;

app/Console/Commands/InstallCommand.php

@@ -41,7 +41,7 @@ class InstallCommand extends Command
      *
      * @return void
      */
-    public function fire()
+    public function handle()
     {
         if (!$this->confirm('Do you want to install Cachet?')) {
             $this->line('Installation aborted. Goodbye!');

app/Console/Commands/VersionCommand.php

@@ -39,7 +39,7 @@ class VersionCommand extends Command
      *
      * @return void
      */
-    public function fire()
+    public function handle()
     {
         $this->info('Cachet '.CACHET_VERSION.' is installed ⚡');
     }