Pin release installer and accept clean tagged version output

tests/cli.cmake

@@ -24,7 +24,9 @@ foreach(mode IN ITEMS default help version invalid extra)
     message(FATAL_ERROR "${mode}: exit ${result}, expected ${expected_exit}: ${error}")
   endif()
   if(mode STREQUAL "version")
-    string(REPLACE "\n" ";" lines "${output}")
+    # Remove only the final terminator; a clean release has no git line.
+    string(REGEX REPLACE "\n$" "" version_lines "${output}")
+    string(REPLACE "\n" ";" lines "${version_lines}")
     list(GET lines 0 first_line)
     if(NOT first_line STREQUAL "frameyap ${EXPECTED_VERSION}")
       message(FATAL_ERROR "Unexpected version: ${output}")