update setup gradle action

(cherry picked from commit e111797)

Author: deirn

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           java-version: 21
           distribution: temurin
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: true
       - run: ./gradlew apiJavadoc

.github/workflows/head.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           java-version: 21
           distribution: temurin
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: ${{ github.repository != 'badasintended/wthit' }}
       - run: ./gradlew build

.github/workflows/release.yml

@@ -44,7 +44,7 @@ jobs:
         with:
           java-version: ${{ steps.parse.outputs.java }}
           distribution: temurin
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: true
       - run: ./gradlew build publishMods publish