Adapt regress tests to GEOS master/3.9

[Algunenano]

Example run: ​https://travis-ci.org/postgis/postgis/jobs/639423130

Output:

-----------------------------------------------------------------------------
--- relate_bnr_expected	2020-01-20 10:47:44.000000000 +0000
+++ /tmp/pgis_reg/test_116_out	2020-01-20 10:51:32.132579612 +0000
@@ -553,4 +553,4 @@
 553|0F0FFFFF2|0F0FFFFF2|0F0FFFFF2|0F0FFFFF2
 554|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2
 555|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2
-ERROR:  GEOSRelate: Invalid boundary node rule 5
+ERROR:  GEOSRelate: Invalid boundary node rule
-----------------------------------------------------------------------------

We should also backport it as far as we want to support GEOS 3.9.

[robe]

yah also see the issue in debbie and Paul said he is running into it too

12:32:37  relate_bnr .. failed (diff expected obtained: /var/lib/jenkins/workspace/postgis/tmp/3_1_pg13w64/test_116_diff)
12:32:37 -----------------------------------------------------------------------------
12:32:37 --- relate_bnr_expected	2019-10-27 23:00:14.821438258 +0000
12:32:37 +++ /var/lib/jenkins/workspace/postgis/tmp/3_1_pg13w64/test_116_out	2020-01-20 17:32:37.540264324 +0000
12:32:37 @@ -553,4 +553,4 @@
12:32:37  553|0F0FFFFF2|0F0FFFFF2|0F0FFFFF2|0F0FFFFF2
12:32:37  554|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2
12:32:37  555|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2|0F0FFF0F2
12:32:37 -ERROR:  GEOSRelate: Invalid boundary node rule 5
12:32:37 +ERROR:  GEOSRelate: Invalid boundary node rule
12:32:37 -----------------------------------------------------------------------------

Let's backport to at least 2.5

[Algunenano]

Fixed by ​https://github.com/libgeos/geos/commit/7d02cb4ab4bc1e62bb36c51a26511ba7a9697f28 / ​https://trac.osgeo.org/geos/ticket/1011