React graph app secret expiration upgrade to SPFx v1.20

[a1mery]

• New sample
• Bug fix/update
• Related issues: fixes #X, partially #Y, mentioned in #Z

What's in this Pull Request?

Upgrade sample to SPFx version 1.20

Node Version

Node version used: v18.18.0

Checklist

• My pull request affects only ONE sample.
• My sample builds without any warnings
• I have updated the README.md file's Version history. For new samples, created a new README.md file matching this template
• My README.md has at least one static high-resolution screenshot (i.e. not a GIF) located in the assets folder.
• My README.md contains complete setup instructions, including pre-requisites and permissions required
• My solution includes a .nvmrc file indicating the version of Node.js

[Adam-it]

@a1mery Awesome work 👏. You Rock 🤩

I added a few comments regarding dependencies we should fixup before we merge.
We should also update the assets/sample.json. This is metadata file that is used to present sample in the gallery. There you will find SPFX-VERSION which should be updated to 1.20.0

[a1mery]

@Adam-it thanks a lot for the review!! ☺️ I will take care of it 💪

[a1mery]

@Adam-it I was able to make suggested changes!
Upgrading eslint packages was a bit more complex than expected but I made it 😊

[Adam-it]

@Adam-it I was able to make suggested changes! Upgrading eslint packages was a bit more complex than expected but I made it 😊

Thank you for your awesome work and ASAP response 👍. You are awesome 🤩
I will do my very best to find time for this PR in the upcoming week.

[hugoabernier]

Thank you @a1mery for your update! Awesome!.

Thank you for sharing your sample with others - you rock! 👏🥇👩‍💻