bump version to 20.3.0

Author: Grok Compression

CMakeLists.txt

@@ -16,7 +16,7 @@
 cmake_minimum_required(VERSION 3.21)
 
 project(GROK
-  VERSION 20.2.9
+  VERSION 20.3.0
   LANGUAGES C CXX)
 
 #######################################

integrations/gdal/README.md

@@ -66,5 +66,5 @@ cmake --install . --config Release
 
 ```
 PYTHONPATH=build/swig/python LD_LIBRARY_PATH=build GDAL_RUN_SLOW_TESTS=yes \
-  python3 -m pytest autotest/gdrivers/jp2grok.py -v --tb=short
+  python3 -m pytest autotest/gdrivers/jp2grok.py -v --tb=short -W ignore::pytest.PytestUnknownMarkWarning
 ```

tests/nonregression/md5refs.txt

@@ -404,9 +404,9 @@ a1de474200c69469f755b9ffc046dae6  clusterfuzz-testcase-minimized-grk_decompress_
 7a371ddf1f6ca7df2af6f274ea9b2eda  clusterfuzz-testcase-minimized-grk_decompress_fuzzer-6690066499174400_1.pgx
 d1b47347aaac6019935aa14c56851a05  clusterfuzz-testcase-minimized-grk_decompress_fuzzer-6690066499174400_2.pgx
 
-e86ed16dd7ea341cbfe701ca39a04d88  p_bit16_layer5.pgm
-474cc1a4b5b4fcbbcd94abf243d2404b  mono_plt_tlm_tile5.pgm
-251d7ab8fd4855fbbd6f3214f620934e  mono_plt_tlm_tile.pgm
+ec2268630cdc21eebc83508aaa1759da  p_bit16_layer5.pgm
+461acee0411844c144a00285bb461f30  mono_plt_tlm_tile5.pgm
+7b92291e58167a006bcfe49d93dd15e2  mono_plt_tlm_tile.pgm
 871e964cd6f1879c7eb603a69c857337  clusterfuzz-testcase-minimized-grk_decompress_fuzzer-4599444736901120_0.pgx
 871e964cd6f1879c7eb603a69c857337  clusterfuzz-testcase-minimized-grk_decompress_fuzzer-4599444736901120_1.pgx
 a746bc84f7e40fea2b6dc2e9abdf786a  clusterfuzz-testcase-minimized-grk_decompress_fuzzer-4599444736901120_2.pgx