Update bbmap/bbsplit module to latest version

This updates the bbmap/bbsplit module to address staging issues
reported in the original PR.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: pinin4fjords

modules.json

@@ -7,7 +7,7 @@
                 "nf-core": {
                     "bbmap/bbsplit": {
                         "branch": "master",
-                        "git_sha": "8864afe586537bf562eac7b83349c26207f3cb4d",
+                        "git_sha": "b5114f2bb0aa49281e1292d0c8b1433e368c0ed3",
                         "installed_by": ["fastq_qc_trim_filter_setstrandedness", "modules"]
                     },
                     "bedtools/genomecov": {