Bump github.com/mattermost/mattermost-server/v6 from 6.1.0 to 6.3.0 (#1686)

Bumps [github.com/mattermost/mattermost-server/v6](https://github.com/mattermost/mattermost-server) from 6.1.0 to 6.3.0.
- [Release notes](https://github.com/mattermost/mattermost-server/releases)
- [Changelog](https://github.com/mattermost/mattermost-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mattermost/mattermost-server/compare/v6.1.0...v6.3.0)

---
updated-dependencies:
- dependency-name: github.com/mattermost/mattermost-server/v6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/github.com/klauspost/compress/s2/encode_amd64.go

@@ -0,0 +1,142 @@
+//go:build !appengine && !noasm && gc
+// +build !appengine,!noasm,gc
+
+package s2
+
+// encodeBlock encodes a non-empty src to a guaranteed-large-enough dst. It
+// assumes that the varint-encoded length of the decompressed bytes has already
+// been written.
+//
+// It also assumes that:
+//	len(dst) >= MaxEncodedLen(len(src)) &&
+// 	minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
+func encodeBlock(dst, src []byte) (d int) {
+	const (
+		// Use 12 bit table when less than...
+		limit12B = 16 << 10
+		// Use 10 bit table when less than...
+		limit10B = 4 << 10
+		// Use 8 bit table when less than...
+		limit8B = 512
+	)
+
+	if len(src) >= 4<<20 {
+		return encodeBlockAsm(dst, src)
+	}
+	if len(src) >= limit12B {
+		return encodeBlockAsm4MB(dst, src)
+	}
+	if len(src) >= limit10B {
+		return encodeBlockAsm12B(dst, src)
+	}
+	if len(src) >= limit8B {
+		return encodeBlockAsm10B(dst, src)
+	}
+	if len(src) < minNonLiteralBlockSize {
+		return 0
+	}
+	return encodeBlockAsm8B(dst, src)
+}
+
+// encodeBlockBetter encodes a non-empty src to a guaranteed-large-enough dst. It
+// assumes that the varint-encoded length of the decompressed bytes has already
+// been written.
+//
+// It also assumes that:
+//	len(dst) >= MaxEncodedLen(len(src)) &&
+// 	minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
+func encodeBlockBetter(dst, src []byte) (d int) {
+	const (
+		// Use 12 bit table when less than...
+		limit12B = 16 << 10
+		// Use 10 bit table when less than...
+		limit10B = 4 << 10
+		// Use 8 bit table when less than...
+		limit8B = 512
+	)
+
+	if len(src) > 4<<20 {
+		return encodeBetterBlockAsm(dst, src)
+	}
+	if len(src) >= limit12B {
+		return encodeBetterBlockAsm4MB(dst, src)
+	}
+	if len(src) >= limit10B {
+		return encodeBetterBlockAsm12B(dst, src)
+	}
+	if len(src) >= limit8B {
+		return encodeBetterBlockAsm10B(dst, src)
+	}
+	if len(src) < minNonLiteralBlockSize {
+		return 0
+	}
+	return encodeBetterBlockAsm8B(dst, src)
+}
+
+// encodeBlockSnappy encodes a non-empty src to a guaranteed-large-enough dst. It
+// assumes that the varint-encoded length of the decompressed bytes has already
+// been written.
+//
+// It also assumes that:
+//	len(dst) >= MaxEncodedLen(len(src)) &&
+// 	minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
+func encodeBlockSnappy(dst, src []byte) (d int) {
+	const (
+		// Use 12 bit table when less than...
+		limit12B = 16 << 10
+		// Use 10 bit table when less than...
+		limit10B = 4 << 10
+		// Use 8 bit table when less than...
+		limit8B = 512
+	)
+	if len(src) >= 64<<10 {
+		return encodeSnappyBlockAsm(dst, src)
+	}
+	if len(src) >= limit12B {
+		return encodeSnappyBlockAsm64K(dst, src)
+	}
+	if len(src) >= limit10B {
+		return encodeSnappyBlockAsm12B(dst, src)
+	}
+	if len(src) >= limit8B {
+		return encodeSnappyBlockAsm10B(dst, src)
+	}
+	if len(src) < minNonLiteralBlockSize {
+		return 0
+	}
+	return encodeSnappyBlockAsm8B(dst, src)
+}
+
+// encodeBlockSnappy encodes a non-empty src to a guaranteed-large-enough dst. It
+// assumes that the varint-encoded length of the decompressed bytes has already
+// been written.
+//
+// It also assumes that:
+//	len(dst) >= MaxEncodedLen(len(src)) &&
+// 	minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
+func encodeBlockBetterSnappy(dst, src []byte) (d int) {
+	const (
+		// Use 12 bit table when less than...
+		limit12B = 16 << 10
+		// Use 10 bit table when less than...
+		limit10B = 4 << 10
+		// Use 8 bit table when less than...
+		limit8B = 512
+	)
+	if len(src) >= 64<<10 {
+		return encodeSnappyBetterBlockAsm(dst, src)
+	}
+	if len(src) >= limit12B {
+		return encodeSnappyBetterBlockAsm64K(dst, src)
+	}
+	if len(src) >= limit10B {
+		return encodeSnappyBetterBlockAsm12B(dst, src)
+	}
+	if len(src) >= limit8B {
+		return encodeSnappyBetterBlockAsm10B(dst, src)
+	}
+	if len(src) < minNonLiteralBlockSize {
+		return 0
+	}
+	return encodeSnappyBetterBlockAsm8B(dst, src)
+}