Bump github.com/rs/zerolog from 1.29.1 to 1.30.0

Bumps [github.com/rs/zerolog](https://github.com/rs/zerolog) from 1.29.1 to 1.30.0.
- [Release notes](https://github.com/rs/zerolog/releases)
- [Commits](https://github.com/rs/zerolog/compare/v1.29.1...v1.30.0)

---
updated-dependencies:
- dependency-name: github.com/rs/zerolog
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/rs/zerolog/context.go

@@ -1,6 +1,7 @@
 package zerolog
 
 import (
+	"context"
 	"fmt"
 	"io/ioutil"
 	"math"
@@ -165,6 +166,15 @@ func (c Context) Err(err error) Context {
 	return c.AnErr(ErrorFieldName, err)
 }
 
+// Ctx adds the context.Context to the logger context. The context.Context is
+// not rendered in the error message, but is made available for hooks to use.
+// A typical use case is to extract tracing information from the
+// context.Context.
+func (c Context) Ctx(ctx context.Context) Context {
+	c.l.ctx = ctx
+	return c
+}
+
 // Bool adds the field key with val as a bool to the logger context.
 func (c Context) Bool(key string, b bool) Context {
 	c.l.context = enc.AppendBool(enc.AppendKey(c.l.context, key), b)
@@ -329,8 +339,9 @@ func (ts timestampHook) Run(e *Event, level Level, msg string) {
 
 var th = timestampHook{}
 
-// Timestamp adds the current local time as UNIX timestamp to the logger context with the "time" key.
+// Timestamp adds the current local time to the logger context with the "time" key, formatted using zerolog.TimeFieldFormat.
 // To customize the key name, change zerolog.TimestampFieldName.
+// To customize the time format, change zerolog.TimeFieldFormat.
 //
 // NOTE: It won't dedupe the "time" key if the *Context has one already.
 func (c Context) Timestamp() Context {