Update swift Docker tag to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
swift	final	major	5.9.2-focal → 6.1.2-focal
swift	final	major	5.9.1-focal → 6.1.2-focal
swift	final	major	5.8.1-focal → 6.1.2-focal
swift	final	major	5.7.3-focal → 6.1.2-focal
swift	final	major	5.7.1-focal → 6.1.2-focal
swift	final	major	5.6.3-focal → 6.1.2-focal
swift	final	major	5.6.2-focal → 6.1.2-focal
swift	final	major	5.6.1-focal → 6.1.2-focal
swift	final	major	5.5.3-focal → 6.1.2-focal
swift	final	major	5.5.2-focal → 6.1.2-focal
swift	final	major	5.5.1-focal → 6.1.2-focal
swift	final	major	5.2.5 → 6.3.2
swift	final	major	5.2.4 → 6.3.2
swift	final	major	5.2.3 → 6.3.2
swift	final	major	5.2.2 → 6.3.2
swift	final	major	5.2.1 → 6.3.2
swift	final	major	5.1.4 → 6.3.2
swift	final	major	5.1.3 → 6.3.2
swift	final	major	5.1.2 → 6.3.2
swift	final	major	5.0.2 → 6.3.2
swift	final	major	5.0.1 → 6.3.2
swift	final	major	4.2.4 → 6.3.2
swift	final	major	4.2.3 → 6.3.2
swift	final	major	4.2.2 → 6.3.2
swift	final	major	4.2.1 → 6.3.2
swift	final	major	4.1.3 → 6.3.2
swift	final	major	4.0.3 → 6.3.2
swift	final	major	4.0.2 → 6.3.2
swift	final	major	3.1.1 → 6.3.2
swift	final	major	3.0.2 → 6.3.2

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