chore(deps): upgrade ckan extensions

[brunopacheco1]

harvesting: OK
DCAT-AP 3: OK
integration with user portal components: OK
search-index rebuild: OK

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates several CKAN extensions to their newer versions in the Dockerfile. The changes involve upgrading three extensions: gdi-userportal, dcat, and harvest.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Upgrade CKAN extensions to newer versions	Update gdi-userportal extension from v1.3.6 to v1.3.8 Update dcat extension from v2.0.0 to v2.1.0 Update harvest extension from v1.5.6 to v1.6.0	ckan/Dockerfile

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[sourcery-ai]

Hey @brunopacheco1 - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud