NRL-2209 Remove nrlf-converter dependency (v3.0.39 backport)

[mattdean3-nhs]

Cherry-picked as follows:

$ git cherry-pick -m 1 38d8425ba07b26c0e3dd9fd781a1def252ec5b97
/home/matt/src/nhs/NRLF/.git/hooks/prepare-commit-msg:12: SyntaxWarning: invalid escape sequence '\-'
  JIRA_REGEX = "(SPII|PCRM|NEMS|KF|IGWAY|NRL|APM|APMSPII|SPY3|SPINECLI)\-(\d+)"  # Example match: SPII-12345
/home/matt/src/nhs/NRLF/.git/hooks/prepare-commit-msg:14: SyntaxWarning: invalid escape sequence '\/'
  "feature\/\w+\-(\w+\-\d+)\-"  # Example match: feature/das-SPII-12345-foo
/home/matt/src/nhs/NRLF/.git/hooks/prepare-commit-msg:16: SyntaxWarning: invalid escape sequence '\/'
  OLD_FEATURE_REGEX = "feature\/\w+\-(\d+)\-"  # Example match: feature/das-12345-foo
I am doing something
JIRA NRL-2209 referenced by commit message.
[hotfix/made14-NRL-2209-remove-nrlf-converter-from-v3.0.39 8b889014] Merge pull request #1215 from NHSDigital/bugfix/made14-NRL-2209-remove-nrlf-converter-dep
 Author: mattdean3-nhs <matt.dean3@nhs.net>
 Date: Tue May 5 16:52:05 2026 +0100
 3 files changed, 8 insertions(+), 17 deletions(-)
 create mode 100644 layer/poetry.lock

[github-actions]

🚀 PR environment successfully deployed.
Commit Hash: 8b8890143ec8f1435e072315dacd0a5b583c139a
URL: https://nrl2209-01ba47.api.record-locator.dev.national.nhs.uk/

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

🚀 PR environment successfully deployed.
Commit Hash: 9858a9ed1d2a041e9e60415a065bb4785d5b0859
URL: https://nrl2209-01ba47.api.record-locator.dev.national.nhs.uk/