Fix CI for new default branch name

.gitlab-ci.yml

@@ -251,13 +251,13 @@ coverity_scan:
     key:
       prefix: linux64
 
-.master_rules:
+.dev_rules:
   rules:
     - if: $BUILD_CHANNEL || $CI_COMMIT_TAG
       when: never
     - if: '$CI_PIPELINE_SOURCE == "web"'
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
-    #- if: '$CI_COMMIT_BRANCH == "master" && $CI_PIPELINE_SOURCE == "push"'
+    #- if: '$CI_COMMIT_BRANCH == "main" && $CI_PIPELINE_SOURCE == "push"'
     #  when: delayed
     #  start_in: '12 hours'
   variables:
@@ -285,25 +285,25 @@ coverity_scan:
   variables:
     VIEWER_CHANNEL_TYPE: Release
 
-build:master:linux64:
+build:dev:linux64:
   extends: 
     - .linux64_build 
-    - .master_rules
+    - .dev_rules
 
-build:master:mac64:
+build:dev:mac64:
   extends: 
     - .mac64_build
-    - .master_rules
+    - .dev_rules
 
-.build:master:windows32:
+.build:dev:windows32:
   extends: 
     - .win32_build
-    - .master_rules
+    - .dev_rules
 
-build:master:windows64:
+build:dev:windows64:
   extends: 
     - .win64_build
-    - .master_rules
+    - .dev_rules
 
 build:project:linux64:
   extends: