[Infra] Use package ecosystem name in dependabot group name

[seankimkdy]

Better PR names for dependabot PRs when using groups

Before

Bump the all group across 1 directory with 9 updates

After

Bump the gomod-all group across 1 directory with 9 updates

[github-actions[bot]]

Unit Test Results

269 tests  ±0   269 :white_check_mark: ±0   9s :stopwatch: +5s  50 suites ±0     0 :zzz: ±0    1 files   ±0     0 :x: ±0 

Results for commit 9244b7d1. ± Comparison against base commit 2825ed9d.

[github-actions[bot]]

For the detailed report, please go to Checks tab, click Build and Test, and then download unit_test_coverage artifact at the bottom of build page.

• Your PR branch coverage: 49.5 %
• main branch coverage: 0 %
• diff coverage: 49.5 %

The coverage result does not include the functional test results.