Update Maven credentials, add GitHub Actions for deployment

Changed the Maven repository URL and updated the credential handling to use environment variables. Added a new GitHub Actions workflow to automate the publishing of packages to the Maven repository upon release creation.

Author: meanmail

.github/workflows/deploy.yml

@@ -0,0 +1,26 @@
+name: Publish package to the Maven Repository
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    runs-on: [ self-hosted, small ]
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Publish package
+        run: ./gradlew publish
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

build.gradle

@@ -29,8 +29,8 @@ publishing {
         maven {
             url "https://packages.jetbrains.team/maven/p/hyperskill-hs-test/maven"
             credentials {
-                username = spaceUsername
-                password = spacePassword
+                username = System.getenv("MAVEN_USERNAME")
+                password = System.getenv("MAVEN_PASSWORD")
             }
         }
     }