Add dependabot configuration for main and release-1.10.0 branches

[sunjayBhatia]

What this PR does / why we need it:

Add dependabot configuration for main and release-1.10.0 branches to ensure up to date dependencies

Will update:

• dockerfile
• github actions
• main go module
• tools go module

Which issue(s) this PR fixes:

N/A

Describe testing done for PR:

N/A

Special notes for your reviewer:

Release note:

NONE

New PR Checklist

• Ensure PR contains only public links or terms
• Use good commit messages
• Squash the commits in this branch before merge to preserve our git history
• If this PR is just an idea or POC, use a Draft PR instead of a full PR
• Add appropriate labels according to what type of issue is being addressed.

[sunjayBhatia]

blocked on #188

[lubronzhan]

Unrelated but we might need to change our branching strategy to per minor version. Otherwise it would be so many dependabot changes involved

[sunjayBhatia]

Unrelated but we might need to change our branching strategy to per minor version. Otherwise it would be so many dependabot changes involved

yep that is a good point, rather than release-1.10.0 use release-1.10 and create tags etc.