Increased max width of images to reduce image pixelation at high land…

…scape resolutions

This wouldn't be needed once gatsbyjs/gatsby#13395 is available

gatsby-config.js

@@ -42,7 +42,7 @@
               // It's important to specify the maxWidth (in pixels) of
               // the content container as this plugin uses this as the
               // base for generating different widths of each image.
-              maxWidth: 960,
+              maxWidth: 1600,
             },
           },
         ],

src/components/AllHomepageSections.tsx

@@ -20,7 +20,7 @@ export default () =>
           title
           image {
             childImageSharp {
-              fluid(maxWidth: 960) {
+              fluid(maxWidth: 1600) {
                 ...GatsbyImageSharpFluid
               }
             }