fix: replace 'blacklist' and 'whitelist' with 'blocked' and 'allowed'

[mcollovati]

Description

Mark the existing methods as deprecated and introduce methods with new names. Fall back to the old configuration properties if the new ones aren't used.

Fixes vaadin/spring#645

Type of change

• Bugfix
• Feature

Checklist

• I have read the contribution guide: https://vaadin.com/docs/latest/guide/contributing/overview/
• I have added a description following the guideline.
• The issue is created in the corresponding repository and I have referenced it.
• I have added tests to ensure my change is effective and works as intended.
• New and existing tests are passing locally with my change.
• I have performed self-review and corrected misspellings.

Additional for Feature type of change

• Enhancement / new feature was discussed in a corresponding GitHub issue and Acceptance Criteria were created.

[github-actions]

Test Results

1 055 files  ± 0  1 055 suites  ±0   1h 16m 10s ⏱️ + 1m 8s
6 798 tests ± 0  6 753 ✅ ± 0  45 💤 ±0  0 ❌ ±0 
7 084 runs  +15  7 028 ✅ +15  56 💤 ±0  0 ❌ ±0 

Results for commit 3e1c06b. ± Comparison against base commit 7d126d1.

♻️ This comment has been updated with latest results.

[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[vaadin-bot]

Hi @mcollovati and @mshabarov, when i performed cherry-pick to this commit to 23.4, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick be956a9
error: could not apply be956a9... fix: replace 'blacklist' and 'whitelist' with 'blocked' and 'allowed' (#18405)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".

[vaadin-bot]

Hi @mcollovati and @mshabarov, when i performed cherry-pick to this commit to 23.3, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick be956a9
error: could not apply be956a9... fix: replace 'blacklist' and 'whitelist' with 'blocked' and 'allowed' (#18405)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".