Changed 2021 to 2022

[ZaidKhan2002]

A meaningful title for PR, not like: made changes to xyz.md

Fixes #607

Changes done:

• [x] Changed year 2021 to 2022 with JavaScript

Screenshots

Preview Link(s):

✅️ By submitting this PR, I have verified the following

• [x] Checked to see if a similar PR has already been opened 🤔️
• [x] Reviewed the contributing guidelines 🔍️
• [] Sample preview link added (add the link(s) for all the pages changed/updated from the checks tab after checks complete)
• [] Tried Squashing the commits into one

[netlify[bot]]

✔️ Deploy Preview for vigilant-nightingale-2f57b2 ready!

🔨 Explore the source changes: 1a5cfe183104844f5c89ac2b98fa62b3643f099c

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😎 Browse the preview: https://deploy-preview-607--vigilant-nightingale-2f57b2.netlify.app

[ZaidKhan2002]

What is preview link ?

[Palaksharma23]

@ZaidKhan2002 please add screenshot of the changes