[pkg/ottl] Rename instrumentation_library to instrumentation_scope in…

… ottltraces (#14933)

.chloggen/ottl-fix-trace-is.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: pkg/ottl
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Renames accessor for instrumentation scope from `instrumentation_library` to `instrumentation_scope` to match documentation
+
+# One or more tracking issues related to the change
+issues: [14933]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

pkg/ottl/contexts/ottltraces/traces.go

@@ -95,7 +95,7 @@ func newPathGetSetter(path []ottl.Field) (ottl.GetSetter[TransformContext], erro
 	switch path[0].Name {
 	case "resource":
 		return ottlcommon.ResourcePathGetSetter[TransformContext](path[1:])
-	case "instrumentation_library":
+	case "instrumentation_scope":
 		return ottlcommon.ScopePathGetSetter[TransformContext](path[1:])
 	case "trace_id":
 		if len(path) == 1 {

pkg/ottl/contexts/ottltraces/traces_test.go

@@ -494,7 +494,7 @@ func Test_newPathGetSetter(t *testing.T) {
 			name: "instrumentation_scope",
 			path: []ottl.Field{
 				{
-					Name: "instrumentation_library",
+					Name: "instrumentation_scope",
 				},
 			},
 			orig:   refIS,