Fix URL scheme to match HTML page.
Fix URL scheme to match HTML page.

The HTML version of the license points to the HTTPS URL (https://github.com/mozilla/bedrock/blob/564f4fcbb62755a9aea3e78138d2616361a77e56/bedrock/mozorg/templates/mozorg/mpl/2.0/index.html#L135) but the plaintext version is still using the legacy HTTP URL.

pascalchevrel/bedrock,MichaelKohler/bedrock,pascalchevrel/bedrock,MichaelKohler/bedrock,flodolo/bedrock,mozilla/bedrock,flodolo/bedrock,alexgibson/bedrock,flodolo/bedrock,alexgibson/bedrock,craigcook/bedrock,sylvestre/bedrock,mozilla/bedrock,mozilla/bedrock,MichaelKohler/bedrock,alexgibson/bedrock,mozilla/bedrock,pascalchevrel/bedrock,alexgibson/bedrock,flodolo/bedrock,craigcook/bedrock,sylvestre/bedrock,MichaelKohler/bedrock,craigcook/bedrock,sylvestre/bedrock,craigcook/bedrock,pascalchevrel/bedrock,sylvestre/bedrock