meta/mysql: dont escape for mysql password

[zhijian-pro]

No description provided.

[github-actions]

Mutate Test Report
pkg/meta/sql_test.go-2-4: score:0.34 failed:134, passed:70, compile error:0, out of coverage:220, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321817758/job/17166450050

pkg/meta/sql_test.go-1-4: score:0.53 failed:153, passed:176, compile error:0, out of coverage:95, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321817758/job/17166449919

pkg/meta/sql_test.go-4-4: score:0.49 failed:158, passed:152, compile error:0, out of coverage:110, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321817758/job/17166450314

pkg/meta/sql_test.go-3-4: score:0.41 failed:224, passed:157, compile error:0, out of coverage:43, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321817758/job/17166450191

Usage: https://github.com/juicedata/juicefs/blob/main/.github/scripts/mutate/how_to_use_mutate_test.md

[github-actions]

Mutate Test Report

Usage: https://github.com/juicedata/juicefs/blob/main/.github/scripts/mutate/how_to_use_mutate_test.md

[github-actions]

Mutate Test Report
pkg/meta/sql_test.go-1-4: score:0.52 failed:159, passed:175, compile error:0, out of coverage:90, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321832768/job/17166480505

pkg/meta/sql_test.go-2-4: score:0.33 failed:138, passed:68, compile error:0, out of coverage:218, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321832768/job/17166480610

pkg/meta/sql_test.go-4-4: score:0.49 failed:158, passed:150, compile error:0, out of coverage:112, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321832768/job/17166480832

pkg/meta/sql_test.go-3-4: score:0.41 failed:222, passed:157, compile error:0, out of coverage:45, skip by comment:0, others:0
Job detail: https://github.com/juicedata/juicefs/actions/runs/6321832768/job/17166480714

Usage: https://github.com/juicedata/juicefs/blob/main/.github/scripts/mutate/how_to_use_mutate_test.md