0.20.2 general updates

• Language updates
• various fixes and tweeks by users (Thanks all!)
• Some security updates (Provided by pixeebot)

In-depth list below

What's Changed

• Update dutch translation by @michelheusschen in #736
• misc: update pull request template by @sbplat in #760
• Add required attribute to input file by @ProvaTeams in #755
• fix: infinite recursion in ImageFinder by @sbplat in #754
• feat: support '\n' literal in add watermark by @sbplat in #758
• Update messages_ja_JP.properties by @tkymmm in #707
• Frooodle patch 1 by @Frooodle in #763
• Introduced protections against "zip slip" attacks by @pixeebot in #764
• Protect readLine() against DoS by @pixeebot in #766
• Introduced protections against system command injection by @pixeebot in #767
• Sandboxed URL creation to prevent SSRF attacks by @pixeebot in #768
• Sanitized user-provided file names in HTTP multipart uploads by @pixeebot in #769
• Modernize and secure temp file creation by @pixeebot in #771
• Switch order of literals to prevent NullPointerException by @pixeebot in #772

New Contributors

• @ProvaTeams made their first contribution in #755
• @pixeebot made their first contribution in #764

Full Changelog: v0.20.1...v0.20.2