fix(tests): update snapshots, remove gatsby-page-utils from module mapper

src/components/Post/Content/__snapshots__/Content.test.tsx.snap

@@ -7,7 +7,7 @@ exports[`Content renders correctly 1`] = `
   </h1>
   <div
     dangerouslySetInnerHTML={
-      Object {
+      {
         "__html": "<p>An Essay on Typography by Eric Gill takes the reader back to the year 1930. The year when a conflict between two worlds came to its term. The machines of the industrial world finally took over the handicrafts.</p>",
       }
     }

src/components/Post/__snapshots__/Post.test.tsx.snap

@@ -14,7 +14,7 @@ exports[`Post renders correctly 1`] = `
       </h1>
       <div
         dangerouslySetInnerHTML={
-          Object {
+          {
             "__html": "<p>An Essay on Typography by Eric Gill takes the reader back to the year 1930. The year when a conflict between two worlds came to its term. The machines of the industrial world finally took over the handicrafts.</p>",
           }
         }

src/templates/PageTemplate/__snapshots__/PageTemplate.test.tsx.snap

@@ -151,7 +151,7 @@ exports[`PageTemplate renders correctly 1`] = `
       <div>
         <div
           dangerouslySetInnerHTML={
-            Object {
+            {
               "__html": "<p>An Essay on Typography by Eric Gill takes the reader back to the year 1930. The year when a conflict between two worlds came to its term. The machines of the industrial world finally took over the handicrafts.</p>",
             }
           }

src/templates/PostTemplate/__snapshots__/PostTemplate.test.tsx.snap

@@ -15,7 +15,7 @@ exports[`PostTemplate renders correctly 1`] = `
         </h1>
         <div
           dangerouslySetInnerHTML={
-            Object {
+            {
               "__html": "<p>An Essay on Typography by Eric Gill takes the reader back to the year 1930. The year when a conflict between two worlds came to its term. The machines of the industrial world finally took over the handicrafts.</p>",
             }
           }