Replace CodeSandbox link in bug report issue template (#2726)
Replace CodeSandbox link in bug report issue template (#2726)

The link was pointing to an old sandbox that used Emotion 10. This link
points to a new sandbox in the Emotion CodeSandbox org that uses Emotion
11.
emotion-js/emotion,emotion-js/emotion,tkh44/emotion,emotion-js/emotion,emotion-js/emotion,tkh44/emotion