[niden]

Hello!

• Type: bug fix
• Link to issue: [BUG]: CI does not test a Phalcon 5 only install or the minimum version #104

In raising this pull request, I confirm the following:

• I have read and understood the Contributing Guidelines
• I have checked that another pull request for this purpose does not exist
• I wrote some tests for this PR
• I have updated the relevant CHANGELOG
• I have created a PR for the documentation about this change

Pin pie.phar to a release with a sha256 check, build the PHP 8.1 Docker image, declare ext-mbstring, and list the Phalcon version that each feature needs.

Thanks

[github-actions]

Code Metrics Report

	master (d9bd243)	T104-ci-docker-composer (5d59843)	+/-
Coverage	100.0%	100.0%	0.0%
Test Execution Time	4s	5s	+1s

Details

  |                     | master (d9bd243) |    T104-ci-docker-composer     | +/-  |
  |                     |                  |           (5d59843)            |      |
  |---------------------|------------------|--------------------------------|------|
  | Coverage            |           100.0% |                         100.0% | 0.0% |
  |   Files             |               87 |                             87 |    0 |
  |   Lines             |             2178 |                           2178 |    0 |
  |   Covered           |             2178 |                           2178 |    0 |
- | Test Execution Time |               4s |                             5s |  +1s |

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Reported by octocov