tech detection: SAST Fixes (SonarLint)

[kingthorin]

Overview

• AppPattern > Remove unnecessary right side type declaration.
• CHANGELOG > Add maint note.
• ExtensionWappalyzer > Remove unused/unnecessary variables.
• PopupMenuEvidence > Use .equals() for String comparison.
• TechOptionsPanel > Use imports vs. fully qualified objects.
• TechPanel > Adjust to more appropriate use of constants, use imports vs. fully qualified objects. Remove use of statically assigned/sized fonts.
• TechPassiveScanner > Remove unnecessary right side type declaration.
• TechJsonParser > Remove unnecessary ThreadGroup declaration and assignment.

Related Issues

N/A

Checklist

• [na] Update help
• [x] Update changelog
• [x] Run ./gradlew spotlessApply for code formatting
• [na] Write tests
• [na] Check code coverage
• [x] Sign-off commits
• [x] Squash commits
• [x] Use a descriptive title

[kingthorin]

Seems fine without the static font settings

[thc202]

Thank you!