Bump the etcd group with 5 updates

Bumps the etcd group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [go.etcd.io/etcd/api/v3](https://github.com/etcd-io/etcd) | `3.6.7` | `3.6.8` |
| [go.etcd.io/etcd/client/pkg/v3](https://github.com/etcd-io/etcd) | `3.6.7` | `3.6.8` |
| [go.etcd.io/etcd/client/v3](https://github.com/etcd-io/etcd) | `3.6.7` | `3.6.8` |
| [go.etcd.io/etcd/pkg/v3](https://github.com/etcd-io/etcd) | `3.6.7` | `3.6.8` |
| [go.etcd.io/etcd/server/v3](https://github.com/etcd-io/etcd) | `3.6.7` | `3.6.8` |


Updates `go.etcd.io/etcd/api/v3` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.6.7...v3.6.8)

Updates `go.etcd.io/etcd/client/pkg/v3` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.6.7...v3.6.8)

Updates `go.etcd.io/etcd/client/v3` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.6.7...v3.6.8)

Updates `go.etcd.io/etcd/pkg/v3` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.6.7...v3.6.8)

Updates `go.etcd.io/etcd/server/v3` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](etcd-io/etcd@v3.6.7...v3.6.8)

---
updated-dependencies:
- dependency-name: go.etcd.io/etcd/api/v3
  dependency-version: 3.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: etcd
- dependency-name: go.etcd.io/etcd/client/pkg/v3
  dependency-version: 3.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: etcd
- dependency-name: go.etcd.io/etcd/client/v3
  dependency-version: 3.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: etcd
- dependency-name: go.etcd.io/etcd/pkg/v3
  dependency-version: 3.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: etcd
- dependency-name: go.etcd.io/etcd/server/v3
  dependency-version: 3.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: etcd
...

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

Author: dependabot[bot]

go.mod

@@ -10,11 +10,11 @@ require (
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
 	go.etcd.io/bbolt v1.4.3
-	go.etcd.io/etcd/api/v3 v3.6.7
-	go.etcd.io/etcd/client/pkg/v3 v3.6.7
-	go.etcd.io/etcd/client/v3 v3.6.7
-	go.etcd.io/etcd/pkg/v3 v3.6.7
-	go.etcd.io/etcd/server/v3 v3.6.7
+	go.etcd.io/etcd/api/v3 v3.6.8
+	go.etcd.io/etcd/client/pkg/v3 v3.6.8
+	go.etcd.io/etcd/client/v3 v3.6.8
+	go.etcd.io/etcd/pkg/v3 v3.6.8
+	go.etcd.io/etcd/server/v3 v3.6.8
 	go.etcd.io/raft/v3 v3.6.0
 	go.uber.org/zap v1.27.1
 )

go.sum

@@ -72,16 +72,16 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.4.0-beta.0.0.20250915091448-92b51411872b h1:/xY+womqDa5E1KVzkajur7/w56EpZzQ2lBXMqBnTLY0=
 go.etcd.io/bbolt v1.4.0-beta.0.0.20250915091448-92b51411872b/go.mod h1:xrFSPMmtSbHWlAhz9YthTFyCrWGRvyvdnwWXnsPopTE=
-go.etcd.io/etcd/api/v3 v3.6.7 h1:7BNJ2gQmc3DNM+9cRkv7KkGQDayElg8x3X+tFDYS+E0=
-go.etcd.io/etcd/api/v3 v3.6.7/go.mod h1:xJ81TLj9hxrYYEDmXTeKURMeY3qEDN24hqe+q7KhbnI=
-go.etcd.io/etcd/client/pkg/v3 v3.6.7 h1:vvzgyozz46q+TyeGBuFzVuI53/yd133CHceNb/AhBVs=
-go.etcd.io/etcd/client/pkg/v3 v3.6.7/go.mod h1:2IVulJ3FZ/czIGl9T4lMF1uxzrhRahLqe+hSgy+Kh7Q=
-go.etcd.io/etcd/client/v3 v3.6.7 h1:9WqA5RpIBtdMxAy1ukXLAdtg2pAxNqW5NUoO2wQrE6U=
-go.etcd.io/etcd/client/v3 v3.6.7/go.mod h1:2XfROY56AXnUqGsvl+6k29wrwsSbEh1lAouQB1vHpeE=
-go.etcd.io/etcd/pkg/v3 v3.6.7 h1:qIxdSI+LAmKFAjMy42yHQzSNqG/sWES4QjhFSGsMDpY=
-go.etcd.io/etcd/pkg/v3 v3.6.7/go.mod h1:nPbpIExp9Q6tR/EVI2aZe0VBlflLys5VGFWSCmqUOyk=
-go.etcd.io/etcd/server/v3 v3.6.7 h1:8dEGQ877tj0cQJFEfD2bDoZDA76qbS2OkvCNjwAyrSo=
-go.etcd.io/etcd/server/v3 v3.6.7/go.mod h1:LEM328bPA2uVMhN0+Ht/vAsADW127QS1oM7EuHrOTy0=
+go.etcd.io/etcd/api/v3 v3.6.8 h1:gqb1VN92TAI6G2FiBvWcqKtHiIjr4SU2GdXxTwyexbM=
+go.etcd.io/etcd/api/v3 v3.6.8/go.mod h1:qyQj1HZPUV3B5cbAL8scG62+fyz5dSxxu0w8pn28N6Q=
+go.etcd.io/etcd/client/pkg/v3 v3.6.8 h1:Qs/5C0LNFiqXxYf2GU8MVjYUEXJ6sZaYOz0zEqQgy50=
+go.etcd.io/etcd/client/pkg/v3 v3.6.8/go.mod h1:GsiTRUZE2318PggZkAo6sWb6l8JLVrnckTNfbG8PWtw=
+go.etcd.io/etcd/client/v3 v3.6.8 h1:B3G76t1UykqAOrbio7s/EPatixQDkQBevN8/mwiplrY=
+go.etcd.io/etcd/client/v3 v3.6.8/go.mod h1:MVG4BpSIuumPi+ELF7wYtySETmoTWBHVcDoHdVupwt8=
+go.etcd.io/etcd/pkg/v3 v3.6.8 h1:Xe+LIL974spy8b4nEx3H0KMr1ofq3r0kh6FbU3aw4es=
+go.etcd.io/etcd/pkg/v3 v3.6.8/go.mod h1:TRibVNe+FqJIe1abOAA1PsuQ4wqO87ZaOoprg09Tn8c=
+go.etcd.io/etcd/server/v3 v3.6.8 h1:U2strdSEy1U8qcSzRIdkYpvOPtBy/9i/IfaaCI9flZ4=
+go.etcd.io/etcd/server/v3 v3.6.8/go.mod h1:88dCtwUnSirkUoJbflQxxWXqtBSZa6lSG0Kuej+dois=
 go.etcd.io/raft/v3 v3.6.0 h1:5NtvbDVYpnfZWcIHgGRk9DyzkBIXOi8j+DDp1IcnUWQ=
 go.etcd.io/raft/v3 v3.6.0/go.mod h1:nLvLevg6+xrVtHUmVaTcTz603gQPHfh7kUAwV6YpfGo=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=