Bump github.com/tidwall/btree from 1.8.0 to 1.8.1 (#1738)

Bumps [github.com/tidwall/btree](https://github.com/tidwall/btree) from 1.8.0 to 1.8.1.
- [Commits](tidwall/btree@v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/tidwall/btree
  dependency-version: 1.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -33,7 +33,7 @@ require (
 	github.com/spf13/cobra v1.9.1
 	github.com/spf13/pflag v1.0.7
 	github.com/stretchr/testify v1.10.0
-	github.com/tidwall/btree v1.8.0
+	github.com/tidwall/btree v1.8.1
 	go.etcd.io/bbolt v1.4.2
 	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b
 	golang.org/x/mod v0.26.0

go.sum

@@ -409,8 +409,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/tidwall/btree v1.8.0 h1:kHHy8hSBauQUe0KPHMFLOt0olAj1nDnkHPJhr8+HFkM=
-github.com/tidwall/btree v1.8.0/go.mod h1:jBbTdUWhSZClZWoDg54VnvV7/54modSOzDN7VXftj1A=
+github.com/tidwall/btree v1.8.1 h1:27ehoXvm5AG/g+1VxLS1SD3vRhp/H7LuEfwNvddEdmA=
+github.com/tidwall/btree v1.8.1/go.mod h1:jBbTdUWhSZClZWoDg54VnvV7/54modSOzDN7VXftj1A=
 github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 h1:e/5i7d4oYZ+C1wj2THlRK+oAhjeS/TRQwMfkIuet3w0=
 github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399/go.mod h1:LdwHTNJT99C5fTAzDz0ud328OgXz+gierycbcIx2fRs=
 github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=