New upstream release

- d/copyright: Update
  - d/libostree-1-1.symbols: Update

debian/patches/debian/Use-Python-3-for-tests.patch

@@ -21,10 +21,10 @@ index 5faa548..41f6956 100755
  # Copyright (C) 2015 Red Hat
  #
 diff --git a/tests/test-basic-user-only.sh b/tests/test-basic-user-only.sh
-index 6a2ca25..662d32f 100755
+index bea7b77..5f27014 100755
 --- a/tests/test-basic-user-only.sh
 +++ b/tests/test-basic-user-only.sh
-@@ -26,7 +26,7 @@ extra_basic_tests=5
+@@ -28,7 +28,7 @@ extra_basic_tests=5
  . $(dirname $0)/basic-test.sh
  
  $CMD_PREFIX ostree --version > version.yaml