Switch version from function to string in zpages

CHANGELOG.md

@@ -22,6 +22,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
   The route is already added automatically for spans.
   For metrics, the alternative is to use the `WithMetricAttributesFn` option. (#8268)
 
+### Changed
+
+- The `Version()` function in `go.opentelemetry.io/contrib/zpages` has been replaced by `const Version`. (#8325)
+
 <!-- Released section -->
 <!-- Don't change this section unless doing release -->
 

zpages/version.go

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

zpages/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 := zpages.Version()
+	v := zpages.Version
 	assert.NotNil(t, versionRegex.FindStringSubmatch(v), "version is not semver: %s", v)
 }