Create a changeset file per package on framework bump

[dskloetc]

Description

Currently the packages/scripts/src/framework/version-bump.sh script creates a single changeset file for all the packages.
This means that we have to release all those packages at the same time.
But creating a separate changeset file per package we can release individual packages when we want.

Changes

1. Create changeset file names with a single call to yarn node to avoid the script being very slow.
2. Generate a changeset file per changed package.
3. Run with /usr/bin/env bash instead of /bin/bash as mapfile requires bash 4+ and Mac installs version 3 in /bin/.

Steps to Test

Created #5030

Quality Assurance

• If a new adapter was made, or an existing one was modified so that its environment variables have changed, update the relevant infra-k8s configuration file.
• If a new adapter was made, or an existing one was modified so that its environment variables have changed, update the relevant adapter-secrets configuration file.
• If a new adapter was made, or a new endpoint was added, update the test-payload.json file with relevant requests.
• The branch naming follows git flow (feature/x, chore/x, release/x, hotfix/x, fix/x) or is created from Jira.
• This is related to a maximum of one Jira story or GitHub issue.
• Types are safe (avoid TypeScript/TSLint features like any and disable, instead use more specific types).
• All code changes have 100% unit and integration test coverage. If testing is not applicable or too difficult to justify doing, the reasoning should be documented explicitly in the PR.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 7496de6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

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