#10279: Show credits/attribution text in printed page

[mahmoudadel54]

Description

In this PR, adding credit/attribution section to print map is enabled by adding a new section into config.yaml of print. Now in print map, the attribution section will be displayed if the map has layers with credit titles [attributions]. Update the config.yaml file is required if attribution/credit section is need to added. This PR includes also migration guide for this.

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines: https://github.com/geosolutions-it/MapStore2/blob/master/CONTRIBUTING.md
• [x] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x", remove the others)

• [ ] Bugfix
• [x] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Other... Please describe:

Issue

#10279

What is the current behavior? #10279

What is the new behavior? The credits/attributions text will be displayed in printed page.

Breaking change

Does this PR introduce a breaking change? (check one with "x", remove the other)

• [ ] Yes, and I documented them in migration notes
• [x] No

Other useful information