Merge branch 'mr_desc_template' into 'develop'

Add the standardized template for merge request descriptions & Condition replacement of MR Title in the CI

See merge request oai/cn5g/oai-cn5g-upf!81

.gitlab/merge_request_templates/description.md

+## Related Issue(s) / Merge Request(s)
+
+<!-- Link to the related issue(s) using GitLab references, e.g., Closes #123, or link to related merge requests. -->  
+
+## Description
+
+<!-- Provide a clear and concise summary of the changes introduced in this MR. -->  
+
+## Tested Environment (e.g., radios, interfaces, CN)
+
+<!-- Describe the testing environment and steps to validate the changes.  -->  
+
+## Configuration Updates (e.g., files, parameters)
+
+<!-- List any changes to configuration files, parameters, etc. -->  
+
+## Known Issues / Limitations
+
+<!-- Mention any known issues or limitations related to this MR. -->  
+
+## Checklist
+
+* [ ] Code follows project coding standards.
+* [ ] Relevant tests have been added or updated.
+* [ ] Documentation has been updated where necessary.
+* [ ] Configuration changes have been validated in the target environment(s).
+
+## Log files or packet captures (PCAPs)
+
+<!-- Attach or reference any relevant log files or packet captures (PCAPs). -->
+
+## Additional Notes
+
+<!-- Provide any additional information or context that may be helpful for the reviewer. --> 

ci-scripts/Jenkinsfile-GitLab-Docker

@@ -595,7 +595,9 @@ pipeline {
         for (htmlFile in htmlFiles) {
           if ("MERGE".equals(env.gitlabActionType)) {
             sh "sed -i -e 's#TEMPLATE_MERGE_REQUEST_LINK#${gitlabMergeRequestLink}#g' ${htmlFile}"
-            sh "sed -i -e 's#TEMPLATE_MERGE_REQUEST_TEMPLATE#${env.gitlabMergeRequestTitle}#' ${htmlFile}"
+            def unsafePattern = /[^a-zA-Z0-9",\.\?\-_ %\+\[\]\(\)~]/
+            def sanitizedTitle = env.gitlabMergeRequestTitle.replaceAll(unsafePattern, '-')
+            sh "sed -i -e 's#TEMPLATE_MERGE_REQUEST_TEMPLATE#${sanitizedTitle}#' ${htmlFile}"
           }
           sh "sed -i -e 's#TEMPLATE_TIME#${JOB_TIMESTAMP}#' ${htmlFile}"
           archiveArtifacts artifacts: htmlFile