SBOM parser requests data over HTTP synchronously

Switch sync to async calls.
[packages/backend/src/megalinter/parsers/parse-sarif.ts](https://github.com/oxsecurity/codetotal/blob/main/packages/backend/src/megalinter/parsers/parse-sbom.ts#L69)
