Update mysql Docker tag to v9 #781

Job	Run time
Generate job matrix	6s
QA Checks (Documentation Linting [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integra...	56s
QA Checks (MkDocs Linting [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	59s
QA Checks (PHPUnit [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 1s
QA Checks (PHPUnit [8.2, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	2m 8s
QA Checks (PHPUnit [8.3, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	56s
QA Checks (PHPUnit [8.1, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	2m 18s
QA Checks (PHPUnit [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 0s
QA Checks (README Linting [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	1m 1s
QA Checks (PHPUnit [8.4, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	57s
QA Checks (PHPUnit [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 3s
QA Checks (PHPUnit [8.4, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 3s
QA Checks (Psalm [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1, ...	57s
QA Checks (PHPUnit [8.3, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 3s
QA Checks (PHPCodeSniffer [8.1, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	58s
	16m 26s

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