Switch version from function to string in otelhttptrace

CHANGELOG.md

@@ -29,6 +29,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Changed
 
+- The `Version()` function in `go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace` has been replaced by `const Version`. (#8383)
 - The `Version()` function in `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` has been replaced by `const Version`. (#8142)
 - The `Version()` function in `go.opentelemetry.io/contrib/zpages` has been replaced by `const Version`. (#8325)
 - The `Version()` function in `go.opentelemetry.io/contrib/instrumentation/runtime` has been replaced by `const Version` string. (#8349)

instrumentation/net/http/httptrace/otelhttptrace/clienttrace.go

@@ -165,7 +165,7 @@ func NewClientTrace(ctx context.Context, opts ...ClientTraceOption) *httptrace.C
 
 	ct.tr = ct.tracerProvider.Tracer(
 		ScopeName,
-		trace.WithInstrumentationVersion(Version()),
+		trace.WithInstrumentationVersion(Version),
 	)
 
 	return &httptrace.ClientTrace{

instrumentation/net/http/httptrace/otelhttptrace/version.go

@@ -4,7 +4,4 @@
 package otelhttptrace // import "go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace"
 
 // Version is the current release version of the httptrace instrumentation.
-func Version() string {
-	return "0.64.0"
-	// This string is updated by the pre_release.sh script during release
-}
+const Version = "0.64.0"

instrumentation/net/http/httptrace/otelhttptrace/version_test.go

@@ -19,6 +19,6 @@ var versionRegex = regexp.MustCompile(`^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)
 	`(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$`)
 
 func TestVersionSemver(t *testing.T) {
-	v := otelhttptrace.Version()
+	v := otelhttptrace.Version
 	assert.NotNil(t, versionRegex.FindStringSubmatch(v), "version is not semver: %s", v)
 }