fix: Grant bedrock access to dma service account

[fpopa]

What type of PR is this? (check all applicable)

Specify one of the following as the first element in the title:

• build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
• ci: Changes to our CI configuration files and scripts (examples: CircleCi, SauceLabs)
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
• perf: A code change that improves performance
• refactor: A code change that neither fixes a bug nor adds a feature
• test: Adding missing tests or correcting existing tests

The NOTABLE CHANGES that will create a new entry in CHANGELOG.md and
create a new tag are these types:

• feat
• fix

Description