build(deps): bump github.com/jackc/pgx/v4 from 4.16.0 to 4.17.1

Bumps [github.com/jackc/pgx/v4](https://github.com/jackc/pgx) from 4.16.0 to 4.17.1.
- [Release notes](https://github.com/jackc/pgx/releases)
- [Changelog](https://github.com/jackc/pgx/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jackc/pgx/compare/v4.16.0...v4.17.1)

---
updated-dependencies:
- dependency-name: github.com/jackc/pgx/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/jackc/pgproto3/v2/backend.go

@@ -2,6 +2,7 @@ package pgproto3
 
 import (
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 )
@@ -114,6 +115,9 @@ func (b *Backend) Receive() (FrontendMessage, error) {
 		b.msgType = header[0]
 		b.bodyLen = int(binary.BigEndian.Uint32(header[1:])) - 4
 		b.partialMsg = true
+		if b.bodyLen < 0 {
+			return nil, errors.New("invalid message with negative body length received")
+		}
 	}
 
 	var msg FrontendMessage

vendor/github.com/jackc/pgproto3/v2/frontend.go

@@ -79,6 +79,9 @@ func (f *Frontend) Receive() (BackendMessage, error) {
 		f.msgType = header[0]
 		f.bodyLen = int(binary.BigEndian.Uint32(header[1:])) - 4
 		f.partialMsg = true
+		if f.bodyLen < 0 {
+			return nil, errors.New("invalid message with negative body length received")
+		}
 	}
 
 	msgBody, err := f.cr.Next(f.bodyLen)