Revert "Update actions to fix deprecated Node.js 20 actions (#6)"

This reverts commit 61d91ed.

Author: Kas-tle

notify-discord/action.yml

@@ -25,9 +25,9 @@ inputs:
         required: true
 
 runs:
-    using: node24
+    using: node20
     main: dist/index.js
 
 branding:
     icon: bell
-    color: gray-dark
+    color: gray-dark

previous-release/action.yml

@@ -21,9 +21,9 @@ outputs:
         description: The commit of the previous release.
 
 runs:
-    using: node24
+    using: node20
     main: dist/index.js
 
 branding:
     icon: repeat
-    color: gray-dark
+    color: gray-dark

release/action.yml

@@ -123,7 +123,7 @@ outputs:
         description: The asset upload URL for the release.
 
 runs:
-    using: node24
+    using: node20
     main: dist/index.js
 
 branding:

setup-gradle-composite/action.yml

@@ -33,20 +33,20 @@ runs:
     using: composite
     steps:
         - name: Checkout Repository and Submodules
-          uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+          uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f # v4.4.1
           with:
               repository: '${{ inputs.checkout_repository }}'
               ref: '${{ inputs.checkout_ref }}'
               submodules: '${{ inputs.checkout_submodules }}'
               fetch-depth: '${{ inputs.checkout_fetch-depth }}'
               persist-credentials: false
         - name: Setup Java
-          uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
+          uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
           with:
               distribution: '${{ inputs.setup-java_distribution }}'
               java-version: '${{ inputs.setup-java_java-version }}'
         - name: Setup Gradle
-          uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
+          uses: gradle/actions/setup-gradle@ac638b010cf58a27ee6c972d7336334ccaf61c96 # v4.4.1
           with:
               # cache-read-only: '${{ inputs.setup-gradle_cache-read-only }}'
               # gradle-home-cache-cleanup: '${{ inputs.setup-gradle_gradle-home-cache-cleanup }}'

upload-multi-artifact/action.yml

@@ -7,9 +7,9 @@ inputs:
         required: true
 
 runs:
-    using: node24
+    using: node20
     main: dist/index.js
 
 branding:
     icon: share
-    color: gray-dark
+    color: gray-dark

upload-release/action.yml

@@ -35,9 +35,9 @@ inputs:
         required: true
 
 runs:
-    using: node24
+    using: node20
     main: dist/index.js
 
 branding:
     icon: share
-    color: gray-dark
+    color: gray-dark