Update Swift version support in documentation

These two issues seem to indicate that Swift v6 is supported?
* dependabot/dependabot-core#10754
* dependabot/dependabot-core#13485

Author: alexdioso

data/reusables/dependabot/supported-package-managers.md

@@ -53,7 +53,7 @@ pipenv                      | `pip` | 2024.4.1 | {% octicon "check" aria-label="
 | {% ifversion dependabot-sbt-support %} |
 [sbt](#sbt) | `sbt` | Not applicable | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} |
 | {% endif %} |
-[Swift](#swift)      | `swift`      | v5  | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} (git only) | {% octicon "x" aria-label="Not supported" %} |
+[Swift](#swift)      | `swift`      | v6  | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} (git only) | {% octicon "x" aria-label="Not supported" %} |
 [Terraform](#terraform)      | `terraform`      | >= 0.13, <= 1.13.x  | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | Not applicable |
 | {% ifversion dependabot-uv-security-support %} |
 uv        | `uv`            | v0               | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | Not applicable |