renamed action and removed arm build

[mguptahub]

Description

This pull request updates the Docker image CI workflow to improve release management and platform compatibility. The most important changes focus on renaming the workflow for clarity, updating the build and push action version, and restricting the build to a single platform.

Workflow improvements:

• Renamed the workflow from "Docker Image CI" to "Build and Release" for better clarity and alignment with its purpose.
• Updated the makeplane/actions/build-push action from version v1.0.0 to v1.1.0 to leverage the latest features and fixes.

Platform compatibility:

• Restricted the build platforms from linux/amd64,linux/arm64 to only linux/amd64, simplifying the build process and potentially reducing build time and complexity.

Other minor adjustments:

• Minor formatting and whitespace changes in job environment variable setup for improved readability.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Improvement (change that would cause existing functionality to not work as expected)
• Code refactoring
• Performance improvements
• Documentation update

Screenshots and Media (if applicable)

Test Scenarios

References