Remove java 8 builds for pr and e2e tests github actions in v2.
Checklist
* [x] [Meet tenets criteria](https://docs.powertools.aws.dev/lambda-java/#tenets)
* [ ] Update tests
* [ ] Update docs
* [x] PR title follows [conventional commit semantics](https://www.conventionalcommits.org/en/v1.0.0/)
## Breaking change checklist
not yet a breaking change (just the github actions)
**RFC issue #**: #1523
* [ ] Migration process documented
* [ ] Implement warnings (if it can live side by side)
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
Issue #, if available: #1523
Description of changes:
Remove java 8 builds for pr and e2e tests github actions in v2.
Checklist
* [x] [Meet tenets criteria](https://docs.powertools.aws.dev/lambda-java/#tenets) * [ ] Update tests * [ ] Update docs * [x] PR title follows [conventional commit semantics](https://www.conventionalcommits.org/en/v1.0.0/) ## Breaking change checklist not yet a breaking change (just the github actions) **RFC issue #**: #1523 * [ ] Migration process documented * [ ] Implement warnings (if it can live side by side) By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.