refactor: use an object spread instead of `Object.assign` in filters

[rishabhr4]

Description refactored apps/nunjucks-filters/src/index.js mentioned in this issue

Changes Made Removed object assign and used object spread

related https://github.com/asyncapi/generator/issues/1272

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 69c6068838a449fa4967b6a21cf280dee3e70cdc

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[derberg]

@Gmin2 thanks for helping with review

[derberg]

tests are failing, linter - to be more precise

[rishabhr4]

tests are failing, linter - to be more precise

sorry i have now ran the tests and fixed it

[sonarcloud[bot]]

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

[derberg]

/rtm