bump version to 20.2.6

Author: Grok Compression

CMakeLists.txt

@@ -16,7 +16,7 @@
 cmake_minimum_required(VERSION 3.21)
 
 project(GROK
-  VERSION 20.2.5
+  VERSION 20.2.6
   LANGUAGES C CXX)
 
 #######################################

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
 
-1a2e8f16f1067ee7df9d9f100816dcb8  p_bit16_layer5.pgm
-22a318618b0f9af0d935ed804c39e3c8  mono_plt_tlm_tile5.pgm
-7223f732857cffe6c44f6626b31dc96e  mono_plt_tlm_tile.pgm
+804212f79d093e23e6113d37482dcab4  p_bit16_layer5.pgm
+3ddc0e457820c6c061b8c5161dbf8abe  mono_plt_tlm_tile5.pgm
+ab1be092540f526c802ef57ade17d415  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