chore(deps): bump go.etcd.io/etcd/client/v3 from 3.5.16 to 3.5.21

Bumps [go.etcd.io/etcd/client/v3](https://github.com/etcd-io/etcd) from 3.5.16 to 3.5.21.
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.5.16...v3.5.21)

---
updated-dependencies:
- dependency-name: go.etcd.io/etcd/client/v3
  dependency-version: 3.5.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -74,7 +74,7 @@ require (
 	github.com/ulikunitz/xz v0.5.12
 	github.com/zclconf/go-cty v1.16.2
 	gitlab.com/NebulousLabs/merkletree v0.0.0-20200118113624-07fbf710afc4
-	go.etcd.io/etcd/client/v3 v3.5.16
+	go.etcd.io/etcd/client/v3 v3.5.21
 	go.step.sm/crypto v0.61.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/crypto v0.37.0
@@ -212,8 +212,8 @@ require (
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0
-	go.etcd.io/etcd/api/v3 v3.5.16 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.5.16 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.21 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.21 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/net v0.39.0 // indirect
 	golang.org/x/text v0.24.0 // indirect

go.sum

@@ -545,12 +545,12 @@ gitlab.com/NebulousLabs/fastrand v0.0.0-20181126182046-603482d69e40 h1:dizWJqTWj
 gitlab.com/NebulousLabs/fastrand v0.0.0-20181126182046-603482d69e40/go.mod h1:rOnSnoRyxMI3fe/7KIbVcsHRGxe30OONv8dEgo+vCfA=
 gitlab.com/NebulousLabs/merkletree v0.0.0-20200118113624-07fbf710afc4 h1:iuNdBfBg0umjOvrEf9MxGzK+NwAyE2oCZjDqUx9zVFs=
 gitlab.com/NebulousLabs/merkletree v0.0.0-20200118113624-07fbf710afc4/go.mod h1:0cjDwhA+Pv9ZQXHED7HUSS3sCvo2zgsoaMgE7MeGBWo=
-go.etcd.io/etcd/api/v3 v3.5.16 h1:WvmyJVbjWqK4R1E+B12RRHz3bRGy9XVfh++MgbN+6n0=
-go.etcd.io/etcd/api/v3 v3.5.16/go.mod h1:1P4SlIP/VwkDmGo3OlOD7faPeP8KDIFhqvciH5EfN28=
-go.etcd.io/etcd/client/pkg/v3 v3.5.16 h1:ZgY48uH6UvB+/7R9Yf4x574uCO3jIx0TRDyetSfId3Q=
-go.etcd.io/etcd/client/pkg/v3 v3.5.16/go.mod h1:V8acl8pcEK0Y2g19YlOV9m9ssUe6MgiDSobSoaBAM0E=
-go.etcd.io/etcd/client/v3 v3.5.16 h1:sSmVYOAHeC9doqi0gv7v86oY/BTld0SEFGaxsU9eRhE=
-go.etcd.io/etcd/client/v3 v3.5.16/go.mod h1:X+rExSGkyqxvu276cr2OwPLBaeqFu1cIl4vmRjAD/50=
+go.etcd.io/etcd/api/v3 v3.5.21 h1:A6O2/JDb3tvHhiIz3xf9nJ7REHvtEFJJ3veW3FbCnS8=
+go.etcd.io/etcd/api/v3 v3.5.21/go.mod h1:c3aH5wcvXv/9dqIw2Y810LDXJfhSYdHQ0vxmP3CCHVY=
+go.etcd.io/etcd/client/pkg/v3 v3.5.21 h1:lPBu71Y7osQmzlflM9OfeIV2JlmpBjqBNlLtcoBqUTc=
+go.etcd.io/etcd/client/pkg/v3 v3.5.21/go.mod h1:BgqT/IXPjK9NkeSDjbzwsHySX3yIle2+ndz28nVsjUs=
+go.etcd.io/etcd/client/v3 v3.5.21 h1:T6b1Ow6fNjOLOtM0xSoKNQt1ASPCLWrF9XMHcH9pEyY=
+go.etcd.io/etcd/client/v3 v3.5.21/go.mod h1:mFYy67IOqmbRf/kRUvsHixzo3iG+1OF2W2+jVIQRAnU=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=