Update OG image references to use PNG instead of SVG

Author: NotAwar

_includes/head.html

@@ -14,7 +14,7 @@
   <meta property="og:title" content="{% if page.title and page.title != 'Home' %}{{ page.title | escape }}{% else %}{{ site.title | escape }} - Cloud Engineer & Tech Enthusiast{% endif %}">
   <meta property="og:description" content="{% if page.description %}{{ page.description | escape }}{% elsif page.title == 'Home' or page.url == '/' %}Cloud engineer passionate about Kubernetes, Azure, and building innovative tech solutions. Sharing discoveries and speaking at conferences worldwide.{% else %}{{ page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape }}{% endif %}">
   <meta property="og:url" content="{{ page.url | replace:'index.html','' | absolute_url }}">
-  <meta property="og:image" content="{% if page.image %}{{ site.url }}{{ page.image }}{% else %}{{ site.url }}/assets/images/og-image.svg{% endif %}">
+  <meta property="og:image" content="{% if page.image %}{{ site.url }}{{ page.image }}{% else %}{{ site.url }}/assets/images/og-image.png{% endif %}">
   <meta property="og:image:width" content="1200">
   <meta property="og:image:height" content="630">
   <meta property="og:locale" content="en_US">
@@ -23,7 +23,7 @@
   <meta name="twitter:card" content="summary_large_image">
   <meta name="twitter:title" content="{% if page.title and page.title != 'Home' %}{{ page.title | escape }}{% else %}{{ site.title | escape }} - Cloud Engineer & Tech Enthusiast{% endif %}">
   <meta name="twitter:description" content="{% if page.description %}{{ page.description | escape }}{% elsif page.title == 'Home' or page.url == '/' %}Cloud engineer passionate about Kubernetes, Azure, and building innovative tech solutions. Sharing discoveries and speaking at conferences worldwide.{% else %}{{ page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape }}{% endif %}">
-  <meta name="twitter:image" content="{% if page.image %}{{ site.url }}{{ page.image }}{% else %}{{ site.url }}/assets/images/og-image.svg{% endif %}">
+  <meta name="twitter:image" content="{% if page.image %}{{ site.url }}{{ page.image }}{% else %}{{ site.url }}/assets/images/og-image.png{% endif %}">
   {% if site.twitter_username %}
   <meta name="twitter:creator" content="@{{ site.twitter_username }}">
   {% endif %}