chore(deps): undo bump @backstage/plugin-techdocs-backend to 1.10.13

[Fortune-Ndlovu]

Description

corresponding pr: https://github.com/janus-idp/backstage-showcase/pull/1752/files

Which issue(s) does this PR fix

• Fixes #? https://issues.redhat.com/browse/RHIDP-4116

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarCloud

[github-actions]

The image is available at: quay.io/janus-idp/backstage-showcase:pr-1758!

[kim-tsao]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kim-tsao

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