Release 2020.4

A lot of stuff here, new signing API is the biggest.  Let's
get a release out.

src/libostree/libostree-devel.sym

@@ -17,28 +17,6 @@
   Boston, MA 02111-1307, USA.
 ***/
 
-/* Add new symbols here.  Release commits should copy this section into -released.sym. */
-LIBOSTREE_2020.2 {
-global:
-  ostree_repo_commit_modifier_set_sepolicy_from_commit;
-  ostree_sign_get_type;
-  ostree_sign_get_all;
-  ostree_sign_commit;
-  ostree_sign_commit_verify;
-  ostree_sign_data;
-  ostree_sign_data_verify;
-  ostree_sign_get_by_name;
-  ostree_sign_get_name;
-  ostree_sign_clear_keys;
-  ostree_sign_load_pk;
-  ostree_sign_metadata_format;
-  ostree_sign_metadata_key;
-  ostree_sign_set_pk;
-  ostree_sign_add_pk;
-  ostree_sign_set_sk;
-  ostree_sign_summary;
-} LIBOSTREE_2020.1;
-
 /* Stub section for the stable release *after* this development one; don't
  * edit this other than to update the year.  This is just a copy/paste
  * source.  Replace $LASTSTABLE with the last stable version, and $NEWVERSION

src/libostree/libostree-released.sym

@@ -593,6 +593,28 @@ global:
   ostree_sysroot_set_mount_namespace_in_use;
 } LIBOSTREE_2019.6;
 
+/* Add new symbols here.  Release commits should copy this section into -released.sym. */
+LIBOSTREE_2020.4 {
+global:
+  ostree_repo_commit_modifier_set_sepolicy_from_commit;
+  ostree_sign_get_type;
+  ostree_sign_get_all;
+  ostree_sign_commit;
+  ostree_sign_commit_verify;
+  ostree_sign_data;
+  ostree_sign_data_verify;
+  ostree_sign_get_by_name;
+  ostree_sign_get_name;
+  ostree_sign_clear_keys;
+  ostree_sign_load_pk;
+  ostree_sign_metadata_format;
+  ostree_sign_metadata_key;
+  ostree_sign_set_pk;
+  ostree_sign_add_pk;
+  ostree_sign_set_sk;
+  ostree_sign_summary;
+} LIBOSTREE_2020.1;
+
 /* No new symbols in 2020.2 */
 
 /* NOTE: Only add more content here in release commits!  See the