cmake: update .gitignore files

.gitignore

@@ -29,6 +29,21 @@ missing
 stamp-h1
 test-driver
 
+# cmake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+CTestTestfile.cmake
+build.ninja
+rules.ninja
+.ninja_deps
+.ninja_log
+lib*.so
+lib*.so.*
+lib*.a
+# generated by "make test" with cmake
+Testing/
+
 # test logs generated by `make check`
 *.log
 *.trs

integration-tests/.gitignore

 # generated files
 config.go
+setenv