Bump nightconfig from 3.6.6 to 3.8.1

Bumps `nightconfig` from 3.6.6 to 3.8.1.

Updates `com.electronwill.night-config:core` from 3.6.6 to 3.8.1
- [Release notes](https://github.com/TheElectronWill/night-config/releases)
- [Commits](TheElectronWill/night-config@v3.6.6...v3.8.1)

Updates `com.electronwill.night-config:toml` from 3.6.6 to 3.8.1
- [Release notes](https://github.com/TheElectronWill/night-config/releases)
- [Commits](TheElectronWill/night-config@v3.6.6...v3.8.1)

Updates `com.electronwill.night-config:yaml` from 3.6.6 to 3.8.1
- [Release notes](https://github.com/TheElectronWill/night-config/releases)
- [Commits](TheElectronWill/night-config@v3.6.6...v3.8.1)

Updates `com.electronwill.night-config:json` from 3.6.6 to 3.8.1
- [Release notes](https://github.com/TheElectronWill/night-config/releases)
- [Commits](TheElectronWill/night-config@v3.6.6...v3.8.1)

---
updated-dependencies:
- dependency-name: com.electronwill.night-config:core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.electronwill.night-config:toml
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.electronwill.night-config:yaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.electronwill.night-config:json
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ hypixel-data = "0.1.2" # Dep of hypixel-modapi
 
 # Not in risk of needing to be relaunched / bumped by JiJ
 snakeyaml = "1.31"
-nightconfig = "3.6.6"
+nightconfig = "3.8.1"
 isolated-lwjgl3-loader = "0.2.6"
 polyio = "0.1.0"
 copycat = "0.1.3"