Only past talks are counted

Talks at an event happening "today" haven't happened yet, so shouldn't
be counted.

A talk should only counted if it was given at a past event -
i.e. yesterday or earlier.

Previously a talk with today's date was returning a time of 00:00 and
was being counted in the past count if the site was generated on the
same day.

src/Opdavies/TwigExtension/OpdaviesTwigExtension.php

@@ -23,7 +23,7 @@ class OpdaviesTwigExtension extends AbstractExtension
 
     public function getPastTalkCount(array $talks): int
     {
-        $today = (new \DateTime())->getTimestamp();
+        $today = (new \DateTime('today'))->getTimestamp();
 
         return collect($talks)
             ->flatMap(fn (ProxySourceItem $talk) => $talk->data()->get('events'))

tests/Opdavies/TwigExtension/OpdaviesTwigExtensionTest.php

@@ -90,6 +90,30 @@ class OpdaviesTwigExtensionTest extends TestCase
         $this->assertTalkCount(expectedCount: 2, talks: [$talkA, $talkB]);
     }
 
+    public function testTheCurrentDayIsNotCounted(): void
+    {
+        $talkA = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('yesterday'))->getTimestamp()],
+                ['date' => (new \DateTime('today'))->getTimestamp()],
+            ],
+        );
+
+        $talkB = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('today'))->getTimestamp()],
+            ],
+        );
+
+        $talkC = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('yesterday'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 2, talks: [$talkA, $talkB, $talkC]);
+    }
+
     /**
      * Assert the extension uses the correct number of talks.
      */