Bump actions/checkout from 5 to 6 (#8297)

Author: dependabot[bot]

.github/workflows/archive-docs.yml

@@ -18,7 +18,7 @@ jobs:
               echo "DOCS_REPO_DIR=${GITHUB_WORKSPACE}/skript-docs" >> $GITHUB_OUTPUT
               echo "SKRIPT_REPO_DIR=${GITHUB_WORKSPACE}/skript" >> $GITHUB_OUTPUT
           - name: Checkout Skript
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 path: skript

.github/workflows/checkstyle.yml

@@ -12,7 +12,7 @@ jobs:
         if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper

.github/workflows/cleanup-docs.yml

@@ -15,7 +15,7 @@ jobs:
           echo "DOCS_OUTPUT_DIR=${GITHUB_WORKSPACE}/skript-docs/docs/nightly/${BRANCH_NAME}" >> $GITHUB_OUTPUT
           echo "DOCS_REPO_DIR=${GITHUB_WORKSPACE}/skript-docs" >> $GITHUB_OUTPUT
       - name: Checkout Skript
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
             ref: ${{ github.event.repository.default_branch }}
             submodules: recursive

.github/workflows/java-17-builds.yml

@@ -12,7 +12,7 @@ jobs:
         if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper

.github/workflows/java-21-builds.yml

@@ -12,7 +12,7 @@ jobs:
         if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper

.github/workflows/junit-17-builds.yml

@@ -12,7 +12,7 @@ jobs:
         if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper

.github/workflows/junit-21-builds.yml

@@ -12,7 +12,7 @@ jobs:
         if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper

.github/workflows/nightly-docs.yml

@@ -33,7 +33,7 @@ jobs:
                 echo "DOCS_REPO_DIR=${GITHUB_WORKSPACE}/skript-docs" >> $GITHUB_OUTPUT
                 echo "SKRIPT_REPO_DIR=${GITHUB_WORKSPACE}/skript" >> $GITHUB_OUTPUT
             - name: Checkout Skript
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   submodules: recursive
                   path: skript

.github/workflows/release-docs.yml

@@ -18,7 +18,7 @@ jobs:
             echo "DOCS_REPO_DIR=${GITHUB_WORKSPACE}/skript-docs" >> $GITHUB_OUTPUT
             echo "SKRIPT_REPO_DIR=${GITHUB_WORKSPACE}/skript" >> $GITHUB_OUTPUT
         - name: Checkout Skript
-          uses: actions/checkout@v5
+          uses: actions/checkout@v6
           with:
               submodules: recursive
               path: skript

.github/workflows/repo.yml

@@ -8,7 +8,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   submodules: recursive
             - name: validate gradle wrapper