Include python version in PyPy python-version output (#1110)

src/find-pypy.ts

@@ -96,7 +96,10 @@ export async function findPyPyVersion(
     core.addPath(pythonLocation);
     core.addPath(_binDir);
   }
-  core.setOutput('python-version', 'pypy' + resolvedPyPyVersion);
+  core.setOutput(
+    'python-version',
+    `pypy${resolvedPythonVersion}-${resolvedPyPyVersion}`
+  );
   core.setOutput('python-path', pythonPath);
 
   return {resolvedPyPyVersion, resolvedPythonVersion};