chore(deps): bump actions/setup-java from 4 to 5 (#290)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4 to 5.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -55,7 +55,7 @@ jobs:
             ]
 
       # Use Java 8 to compile old Spigot version
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 8
           distribution: temurin
@@ -67,7 +67,7 @@ jobs:
           versions: 1.8, 1.8.3, 1.8.8, 1.9.2, 1.9.4, 1.10.2, 1.11.2, 1.12.2, 1.13, 1.13.2, 1.14.4, 1.15.2, 1.16.1, 1.16.3, 1.16.5
 
       # Use Java 16 for Spigot 1.17
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 16
           distribution: temurin
@@ -77,7 +77,7 @@ jobs:
         with:
           versions: '1.17'
 
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 17
           distribution: temurin
@@ -89,7 +89,7 @@ jobs:
           remapped: true
 
       # Use Java 21 for everything else
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 21
           distribution: temurin