fix(tooling): Use module name over spec name in XCFramework module maps (#15229)

Author: ncooke3

ReleaseTooling/Sources/ZipBuilder/FrameworkBuilder.swift

@@ -272,7 +272,7 @@ struct FrameworkBuilder {
   ///
   /// - Parameter framework: The name of the pod to be built.
   /// - Returns: The corresponding framework/module name.
-  private static func frameworkBuildName(_ framework: String) -> String {
+  static func frameworkBuildName(_ framework: String) -> String {
     switch framework {
     case "abseil":
       return "absl"

ReleaseTooling/Sources/ZipBuilder/ModuleMapBuilder.swift

@@ -248,6 +248,11 @@ struct ModuleMapBuilder {
     installedPods[name]?.transitiveFrameworks = transitiveFrameworkDeps
     installedPods[name]?.transitiveLibraries = transitiveLibraryDeps
 
-    return ModuleMapContents(module: name, frameworks: myFrameworkDeps, libraries: myLibraryDeps)
+    let moduleName = FrameworkBuilder.frameworkBuildName(name)
+    return ModuleMapContents(
+      module: moduleName,
+      frameworks: myFrameworkDeps,
+      libraries: myLibraryDeps
+    )
   }
 }