Upgrade to version 2.5.1

Upgrade to v2.5.1 See upstream release page Provided description:

2.5.1

Security: uploading HTTP endpoint can no longer create directories in the upload dir (internal APIs, like backup, still can do it.)
~ character in urls in Markdown posts are handled properly
Exiftool upload filter will now ignore SVG files
Fix block_from_stranger setting
Fix rel="me"
Docker images will now run properly
Fix inproper content being cached in report content
Notification filter on object content will not operate on the ones that inherently have no content
ZWNJ and double dots in links are parsed properly for Plain-text posts
OTP releases will work on systems with a newer libcrypt
Errors when running Exiftool.ReadDescription filter will not be filled into the image description