fixed packages vulnerability from backend

[manishdas12]

What this PR does / why we need it: update the vulnerable packages from backend explorer

Which issue(s) this PR fixes: packages vulnerabilities from backend application

Fixes #458

Special notes for your reviewer:

Does this PR introduce a user-facing change: None

Additional documentation, usage docs, etc.:

1. "ejs":"^2.5.6" ----> "^3.1.9", [critical]
2. "grpc": "^1.20.3" ----> "^1.24.11"
3. "jsonwebtoken":"^8.5.0", ----> "^9.0.2" [moderate]

NOTE: jsonwebtoken's insecure implementation of key retrieval function could lead to Forgeable Public/Private Tokens from RSA to HMAC
ref url: GHSA-hjrf-2m68-5959
jsonwebtoken vulnerable to signature validation bypass due to insecure default algorithm in jwt.verify()
ref url: GHSA-qwph-4952-7xr6

4. "multer": "^1.3.0" ----> "^1.4.5-lts.1", ---> dicer[Severity: high],
   busboy(Depends on vulnerable versions of dicer),
   multer(Depends on vulnerable versions of busboy)

NOTE- busboy---> dependency package of multer
dicer----> dependency package of busboy

5. "passport": "^0.4.0", ----> "^0.6.0", ----> Severity: moderate

NOTE: Passport vulnerable to session regeneration when a users logs in or out - GHSA-v923-w3x8-wh69

6. "sequelize": "^6.12.2", ------> "^6.33.0",

7. "mocha": "^8.2.1", ----> "^10.2.0", ----> mocha v5.1.0 - v9.2.1 Depends on vulnerable versions of "minimatch" and "nanoid"
   [minimatch <3.0.5 Severity: high]
   [nanoid 3.0.0 - 3.1.30 Severity: moderate]

[ArchanaArige]

looks good.