Fix GitLab CI dependencies

Test jobs must depend on the corresponding build jobs so the correct build artifacts are downloaded. Otherwise, the test job will not even have access to the built packages and install icinga2 from packages.icinga.com.

.gitlab-ci.yml

@@ -84,7 +84,7 @@ test/debian/bullseye:x86_64:
   variables:
     DOCKER_IMAGE: debian/bullseye
   dependencies:
-    - debian/bullseye
+    - debian/bullseye:x86_64
 
 debian/bullseye:x86:
   <<: *binary
@@ -99,7 +99,6 @@ test/debian/bullseye:x86:
     DOCKER_IMAGE: debian/bullseye:x86
   dependencies:
     - debian/bullseye:x86
-    - debian/bullseye:x86_64
 
 upload/debian/bullseye:
   <<: *upload
@@ -126,7 +125,7 @@ test/debian/buster:x86_64:
   variables:
     DOCKER_IMAGE: debian/buster
   dependencies:
-    - debian/buster
+    - debian/buster:x86_64
 
 debian/buster:x86:
   <<: *binary
@@ -141,7 +140,6 @@ test/debian/buster:x86:
     DOCKER_IMAGE: debian/buster:x86
   dependencies:
     - debian/buster:x86
-    - debian/buster:x86_64
 
 upload/debian/buster:
   <<: *upload
@@ -168,7 +166,7 @@ test/debian/stretch:x86_64:
   variables:
     DOCKER_IMAGE: debian/stretch
   dependencies:
-    - debian/stretch
+    - debian/stretch:x86_64
 
 debian/stretch:x86:
   <<: *binary
@@ -183,7 +181,6 @@ test/debian/stretch:x86:
     DOCKER_IMAGE: debian/stretch:x86
   dependencies:
     - debian/stretch:x86
-    - debian/stretch:x86_64
 
 upload/debian/stretch:
   <<: *upload
@@ -214,7 +211,7 @@ test/ubuntu/hirsute:x86_64:
   variables:
     DOCKER_IMAGE: ubuntu/hirsute
   dependencies:
-    - ubuntu/hirsute
+    - ubuntu/hirsute:x86_64
 
 upload/ubuntu/hirsute:
   <<: *upload
@@ -239,7 +236,7 @@ test/ubuntu/focal:x86_64:
   variables:
     DOCKER_IMAGE: ubuntu/focal
   dependencies:
-    - ubuntu/focal
+    - ubuntu/focal:x86_64
 
 upload/ubuntu/focal:
   <<: *upload
@@ -265,7 +262,7 @@ test/ubuntu/bionic:x86_64:
   variables:
     DOCKER_IMAGE: ubuntu/bionic
   dependencies:
-    - ubuntu/bionic
+    - ubuntu/bionic:x86_64
 
 ubuntu/bionic:x86:
   <<: *binary
@@ -280,7 +277,6 @@ test/ubuntu/bionic:x86:
     DOCKER_IMAGE: ubuntu/bionic:x86
   dependencies:
     - ubuntu/bionic:x86
-    - ubuntu/bionic:x86_64
 
 upload/ubuntu/bionic:
   <<: *upload