Update dependency vimeo/psalm to ^6.6.1 #3287

Job	Run time
Generate job matrix	5s
Composer Require Checker (locked, 8.3, ubuntu-latest)	26s
Check Backwards Compatibility (locked, 8.2, ubuntu-latest)	19s
Check Backwards Compatibility (locked, 8.3, ubuntu-latest)	21s
Check Backwards Compatibility (locked, 8.4, ubuntu-latest)	20s
QA Checks (README Linting [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	27s
QA Checks (PHPUnit [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 2s
QA Checks (PHPUnit [8.2, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 5s
QA Checks (PHPUnit [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 6s
QA Checks (PHPUnit [8.3, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	55s
QA Checks (PHPUnit [8.3, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 6s
QA Checks (PHPUnit [8.4, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	51s
QA Checks (PHPCodeSniffer [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	37s
QA Checks (Psalm [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1, ...	43s
QA Checks (Infection (PCOV) [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-...	6m 57s
	16m 20s

Provide feedback