Fixing footnotes for consistency

dosp-survey.ltx

@@ -161,8 +161,8 @@ this acronym was previously used for the Boost Software License. The
 SPDX license identifier for the Business Source License is ``BUSL".})
 was originally written in 2016 by MariaDB for its MaxScale project.
 The current version of BUSL, 1.1, was released in 2017 and first
-used for MaxScale 2.1.0.
-% https://mariadb.com/resources/blog/releasing-bsl-1-1/
+used for MaxScale 2.1.0.\footnote{See
+\otsurl{https://mariadb.com/resources/blog/releasing-bsl-1-1/}.}
 
 BUSL requires a licensor to specify a ``Change Date" and a ``Change License".
 
@@ -209,11 +209,9 @@ Change Date: release +3 years
 Change License: Apache License, Version 2.0
 
 CodeCov (2023-08-02 following acquisition by Sentry)
-\footnote{See
-\otsurl{https://about.codecov.io/blog/codecov-is-now-open-source/}.}
-
 Change Date: release +3 years
 Change License: Apache License, Version 2.0
+\otsurl{https://about.codecov.io/blog/codecov-is-now-open-source/}
 
 \subsection{Differences From Other Licensing Strategies}\label{differences}