Ignore Coverage for SimpleCache1, ZipStream2

[oleibman]

PhpSpreadsheet will use either SimpleCache1/3 (but not both). Likewise for ZipStream2/3. However, only SimpleCache3/Zipstream3 are used while processing code coverage. Indicate this with appropriate annotations.

No executable code is changed.

This is:

• a bugfix
• a new feature
• refactoring
• additional unit tests
• more accurate code coverage

Checklist:

• Changes are covered by unit tests
  • Changes are covered by existing unit tests
  • New unit tests have been added
• Code style is respected
• Commit message explains why the change is made (see https://github.com/erlang/otp/wiki/Writing-good-commit-messages)
• CHANGELOG.md contains a short summary of the change and a link to the pull request if applicable
• Documentation is updated as necessary

Why this change is needed?

Provide an explanation of why this change is needed, with links to any Issues (if appropriate).
If this is a bugfix or a new feature, and there are no existing Issues, then please also create an issue that will make it easier to track progress with this PR.