gitlab-ci: fix whitespace yamllint errors in .gitlab-ci.yml

.gitlab-ci.yml

@@ -71,7 +71,7 @@ variables:
         export CHANGED="$CHANGED $appid"
     done
 
-.app_verification_rules: 
+.app_verification_rules:
   rules: &app_verification_rules
     - if: $CI_PIPELINE_SOURCE == "pipeline" || $CI_PIPELINE_SOURCE == "schedule" || $CI_PIPELINE_SOURCE == "trigger"
       when: never
@@ -90,7 +90,7 @@ checkupdates:
     - *install_fdroid_server_deb
     - export fdroidserver=../fdroidserver
     - *install_fdroid_server
-  script: 
+  script:
     - |
       set -xe
       if [ "$CI_PROJECT_NAMESPACE" = "fdroid" ]; then echo "not testing in fdroid"; exit 0; fi
@@ -211,7 +211,7 @@ schedule-issuebot:
 checkupdates_runner:
   stage: prepare
   image: debian:bullseye-slim
-  variables: 
+  variables:
     GIT_DEPTH: "1"
   parallel: 10
   tags:
@@ -287,7 +287,7 @@ fdroid build:
     key: "$CI_JOB_NAME"
     paths:
       - .gradle
-  variables: 
+  variables:
     ANDROID_HOME: /opt/android-sdk
     ANDROID_SDK_ROOT: ${ANDROID_HOME}
   script:
@@ -434,7 +434,7 @@ sast:
     - fdroid build
   dependencies:
     - fdroid build
-  variables: 
+  variables:
     GIT_DEPTH: "1"
 
     MOBSF_API_KEY: key