Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/build.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Java
         uses: actions/setup-java@v4
         with:

.github/workflows/hangar-publish.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Java
         uses: actions/setup-java@v4
         with:

.github/workflows/maven-publish.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Java
         uses: actions/setup-java@v4
         with:

.github/workflows/modrinth-publish.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Java
         uses: actions/setup-java@v4
         with: