Update rna-seq.nf

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Fixed the issue where the script would error out due to not finding precise string. Replaced the string as requested in issue 129.

PR checklist

• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• [ ] Documentation in docs is updated
• [ ] Replace dag.png with the most recent CI pipeline integrated_pe artifact
• [ ] Replace software_versions_mqc.yaml with the most recent CI pipeline generateVersions artifact
• [ ] Replace software_references_mqc.yaml with the most recent CI pipeline generateVersions artifact
• CHANGELOG.md is updated
• [ ] README.md is updated
• [ ] LICENSE.md is updated with new contributors
• [ ] Docker images moved to production release and changed in pipeline
• [ ] Docker images used in the CI unit tests match those used in pipeline

• Close issue
  Closes #129 (closed)

/cc @ghenry @venkat.malladi

changed milestone to %v2.x.x

added To Do bug pipeline labels

added 1 commit

• 303f7ade - Updated CHANGELOG.md and nexflot.config version numbers to 2.x.x_indev

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added 1 commit

• 5b271a2e - Corrected missing escape character.

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changed the description

resolved all threads

approved this merge request

marked the checklist item *Close issue* as completed

approved this merge request

added 1 commit

• 64fa9678 - Reverted version in nextflow.config to '2.0.0'

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resolved all threads

approved this merge request

approved this merge request

enabled an automatic merge when the pipeline for 64fa9678 succeeds

merged

mentioned in commit bb1e0848

changed milestone to %v2.0.1