Clamav prescan and minor fixes and improvement

What's Changed

• go.mod,go.sum: bumping storj dependency by @stefanbenten in #454
• .github/workflows: adding golangci-lint as new job by @stefanbenten in #453
• server/handlers.go,storage.go: smaller fixes by @stefanbenten in #452
• server: propagate context to storage layer by @stefanbenten in #455
• Clamav prescan by @aspacca in #389
• fix perform-clamav-prescan by @aspacca in #460
• server/storage.go: Update storj dependencies and set user-agent by @stefanbenten in #467
• Add X-Url-Delete-* headers to POST handler by @anihm136 in #435
• Docker: Allow selection of (unprivileged) UID/GID at build time by @lkubb in #418
• Correct typo in CODE_OF_CONDUCT.md by @keks24 in #480
• server: adding no-store header by @stefanbenten in #476
• .github/,go.mod,go.sum: Update storj dependencies, drop older go versions by @stefanbenten in #468
• Example Zsh/Bash function for transfer.sh homepage by @keks24 in #478
• Issue 485 by @aspacca in #486

New Contributors

• @anihm136 made their first contribution in #435
• @lkubb made their first contribution in #418
• @keks24 made their first contribution in #480

Full Changelog: v1.3.1...v1.3.2