git svn: rename tests that had conflicting numbers

Some unrelated tests were developed simultaneously and resulted
in test numbers conflicting.  To avoid difficulty when referring
to tests via the "tXXXX" convention, rename the newer tests.

Suggested by Marc Branchaud.

Signed-off-by: Eric Wong <normalperson@yhbt.net>

diff --git a/t/t9139-git-svn-reset.sh b/t/t9140-git-svn-reset.sh
similarity index 100%
rename from t/t9139-git-svn-reset.sh
rename to t/t9140-git-svn-reset.sh

diff --git a/t/t9138-git-svn-multiple-branches.sh b/t/t9141-git-svn-multiple-branches.sh
similarity index 100%
rename from t/t9138-git-svn-multiple-branches.sh
rename to t/t9141-git-svn-multiple-branches.sh