v0.97.1

NOTE: We seem to have introduced an issue with /static synching of files in this release, so we recommend wait for thev0.97.3 and roll back to the v0.97.0 or earlier for now.

This is a bug-fix release with a couple of important fixes. Note that the MediaType on image conversion bug isn't a regression, that bug has been there since we added the target format option to the image processing methods.

• Fix PostProcess regression for hugo server 4deb5c6 @bep #9788
• Fix MediaType when reading images from cache 397fce5 @bep #8931
• Fix "Readdirnames with positive n not implemented" error with --gc in server mode 0093eaa @bep #9783