[chore]: Bump github.com/uptrace/bun/extra/bunotel from 1.2.1 to 1.2.5

Bumps [github.com/uptrace/bun/extra/bunotel](https://github.com/uptrace/bun) from 1.2.1 to 1.2.5.
- [Release notes](https://github.com/uptrace/bun/releases)
- [Changelog](https://github.com/uptrace/bun/blob/master/CHANGELOG.md)
- [Commits](https://github.com/uptrace/bun/compare/v1.2.1...v1.2.5)

---
updated-dependencies:
- dependency-name: github.com/uptrace/bun/extra/bunotel
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vendor/github.com/uptrace/bun/extra/bunotel/README.md

@@ -1,3 +1,3 @@
 # OpenTelemetry instrumentation for Bun
 
-See [example](../example/opentelemetry) for details.
+See [example](../../example/opentelemetry) for details.

vendor/github.com/uptrace/bun/extra/bunotel/unsafe.go

@@ -1,3 +1,4 @@
+//go:build !appengine
 // +build !appengine
 
 package bunotel
@@ -5,14 +6,15 @@ package bunotel
 import "unsafe"
 
 func bytesToString(b []byte) string {
-	return *(*string)(unsafe.Pointer(&b))
+	if len(b) == 0 {
+		return ""
+	}
+	return unsafe.String(&b[0], len(b))
 }
 
 func stringToBytes(s string) []byte {
-	return *(*[]byte)(unsafe.Pointer(
-		&struct {
-			string
-			Cap int
-		}{s, len(s)},
-	))
+	if s == "" {
+		return []byte{}
+	}
+	return unsafe.Slice(unsafe.StringData(s), len(s))
 }