some bug fixes and performance improvements

What's Changed

• Disable sync periodically polling when pollInterval is not configured by @peusebiu in #254
• ci/cd: fix github workflow to upload release binaries by @rchincha in #333
• Fix negative WaitGroup counter at runtime by @peusebiu in #338
• ci/cd: upgrade golangci-lint by @rchincha in #269
• Install notation as prerequisite for test Makefile target by @adodon2go in #326
• lint: some more linter-related cleanup by @rchincha in #346
• storage: use sha256-simd from minio by @rchincha in #347

Full Changelog: v1.3.6...v1.3.7