Use double quotes in the same line

For consistency. If there was an ESLint rule for consistency within the
same line, I would consider turning it on. But I don't think such a rule
exists. The closest is jsx-quotes¹ which is too opinionated and would
change lots of code that is working just fine.

¹ <https://eslint.org/docs/latest/rules/jsx-quotes>

static-site/src/components/ListResources/index.tsx

@@ -58,7 +58,7 @@ function ListResources({
       <ErrorContainer>
         {"Whoops - listing resources isn't working!"}
         <br/>
-        {'Please '}<a href="/contact" style={{fontWeight: 300}}>get in touch</a>{" if this keeps happening"}
+        {"Please "}<a href="/contact" style={{fontWeight: 300}}>get in touch</a>{" if this keeps happening"}
       </ErrorContainer>
     )
   }