build(deps): bump github.com/go-chi/chi/v5 from 5.0.12 to 5.1.0

Bumps [github.com/go-chi/chi/v5](https://github.com/go-chi/chi) from 5.0.12 to 5.1.0.
- [Release notes](https://github.com/go-chi/chi/releases)
- [Changelog](https://github.com/go-chi/chi/blob/master/CHANGELOG.md)
- [Commits](https://github.com/go-chi/chi/compare/v5.0.12...v5.1.0)

---
updated-dependencies:
- dependency-name: github.com/go-chi/chi/v5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/go-chi/chi/v5/middleware/realip.go

@@ -22,7 +22,7 @@ var xRealIP = http.CanonicalHeaderKey("X-Real-IP")
 // RemoteAddr will see the intended value.
 //
 // You should only use this middleware if you can trust the headers passed to
-// you (in particular, the two headers this middleware uses), for example
+// you (in particular, the three headers this middleware uses), for example
 // because you have placed a reverse proxy like HAProxy or nginx in front of
 // chi. If your reverse proxies are configured to pass along arbitrary header
 // values from the client, or if you use this middleware without a reverse

vendor/github.com/go-chi/chi/v5/middleware/wrap_writer.go

@@ -6,6 +6,7 @@ package middleware
 import (
 	"bufio"
 	"io"
+	"io/ioutil"
 	"net"
 	"net/http"
 )
@@ -61,6 +62,11 @@ type WrapResponseWriter interface {
 	Tee(io.Writer)
 	// Unwrap returns the original proxied target.
 	Unwrap() http.ResponseWriter
+	// Discard causes all writes to the original ResponseWriter be discarded,
+	// instead writing only to the tee'd writer if it's set.
+	// The caller is responsible for calling WriteHeader and Write on the
+	// original ResponseWriter once the processing is done.
+	Discard()
 }
 
 // basicWriter wraps a http.ResponseWriter that implements the minimal
@@ -71,25 +77,34 @@ type basicWriter struct {
 	code        int
 	bytes       int
 	tee         io.Writer
+	discard     bool
 }
 
 func (b *basicWriter) WriteHeader(code int) {
 	if !b.wroteHeader {
 		b.code = code
 		b.wroteHeader = true
-		b.ResponseWriter.WriteHeader(code)
+		if !b.discard {
+			b.ResponseWriter.WriteHeader(code)
+		}
 	}
 }
 
-func (b *basicWriter) Write(buf []byte) (int, error) {
+func (b *basicWriter) Write(buf []byte) (n int, err error) {
 	b.maybeWriteHeader()
-	n, err := b.ResponseWriter.Write(buf)
-	if b.tee != nil {
-		_, err2 := b.tee.Write(buf[:n])
-		// Prefer errors generated by the proxied writer.
-		if err == nil {
-			err = err2
+	if !b.discard {
+		n, err = b.ResponseWriter.Write(buf)
+		if b.tee != nil {
+			_, err2 := b.tee.Write(buf[:n])
+			// Prefer errors generated by the proxied writer.
+			if err == nil {
+				err = err2
+			}
 		}
+	} else if b.tee != nil {
+		n, err = b.tee.Write(buf)
+	} else {
+		n, err = ioutil.Discard.Write(buf)
 	}
 	b.bytes += n
 	return n, err
@@ -117,6 +132,10 @@ func (b *basicWriter) Unwrap() http.ResponseWriter {
 	return b.ResponseWriter
 }
 
+func (b *basicWriter) Discard() {
+	b.discard = true
+}
+
 // flushWriter ...
 type flushWriter struct {
 	basicWriter