Improve CI/CD, create tag on new release step

.gitlab-ci.yml

 image: cirrusci/flutter:latest
 
 stages:
-  - test
   - update
   - build-debug
   - build-release
+  - release
   - deploy
 
-tests:
-  stage: test
-  script:
-    - flutter test
-  interruptible: true
-
 update:
   stage: update
+  except:
+    - tags
   script:
     - flutter packages get
     - flutter packages upgrade
@@ -22,6 +18,8 @@ update:
 
 android:build-debug:
   stage: build-debug
+  except:
+    - tags
   script:
     # Flutter local configuration
     - echo flutter.sdk=$FLUTTER_PATH > android/local.properties
@@ -49,6 +47,8 @@ android:build-release:
   stage: build-release
   only:
     - master
+  except:
+    - tags
   dependencies:
     - android:build-debug
   script:
@@ -74,11 +74,34 @@ android:build-release:
     expire_in: 1 week
   interruptible: true
 
-android:deploy:
-  stage: deploy
+application:release:
+  stage: release
+  image:
+    name: alpine/git
+    entrypoint: [""]
   only:
     - master
+  except:
+    - tags
   dependencies:
     - android:build-release
+  script:
+    - git config user.email "${GITLAB_USER_EMAIL}"
+    - git config user.name "${GITLAB_USER_NAME}"
+    - git remote set-url origin https://oauth2:${GITLAB_ACCESS_TOKEN}@${CI_SERVER_HOST}/${CI_PROJECT_PATH}
+    - VERSION_FILE="$(find . -name 'gradle.properties' | head -n1)"
+    - VERSION_NAME="$(grep '^app.versionName=' "${VERSION_FILE}" | cut -d'=' -f2)"
+    - VERSION_CODE="$(grep '^app.versionCode=' "${VERSION_FILE}" | cut -d'=' -f2)"
+    - TAG_NAME="Release_${VERSION_NAME}_${VERSION_CODE}"
+    - echo "${TAG_NAME}"
+    - git tag -a "${TAG_NAME}" -m "Release ${VERSION_NAME} (${VERSION_CODE})"
+    - git push origin "${TAG_NAME}"
+
+android:deploy:
+  stage: deploy
+  only:
+    - tags
+  dependencies:
+    - application:release
   script:
     - wget ${REPOSITORY_UPDATE_WEBHOOK}?token=${REPOSITORY_TOKEN}

android/gradle.properties

@@ -2,5 +2,5 @@ org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
 android.enableR8=true
-app.versionName=1.1.7
-app.versionCode=7
+app.versionName=1.1.8
+app.versionCode=8