Changed parallel GitLab CI jobs to serial

This may have been responsible for sporadic failures in the nightly
builds.

.gitlab-ci.yml

@@ -2,8 +2,10 @@ stages:
   - build_libmesh
   - configure_giraffe
   - build_giraffe
-  - run_giraffe
-  - verify_giraffe
+  - run_giraffe_serial
+  - verify_giraffe_serial
+  - run_giraffe_parallel
+  - verify_giraffe_parallel
 
 before_script:
   - . /opt/moose/environments/moose_profile
@@ -44,7 +46,7 @@ build_giraffe_job:
     - make -j8
 
 run_giraffe_serial_job:
-  stage: run_giraffe
+  stage: run_giraffe_serial
   dependencies:
     - build_giraffe_job
   variables:
@@ -59,7 +61,7 @@ run_giraffe_serial_job:
     - exit $?
 
 verify_giraffe_serial_job:
-  stage: verify_giraffe
+  stage: verify_giraffe_serial
   dependencies:
     - run_giraffe_serial_job
   variables:
@@ -77,7 +79,7 @@ verify_giraffe_serial_job:
     - echo "$v1 < 0.78529825617157133 || $v1 > 0.78549825617157133 || $v2 < 0.78203376069904283 || $v2 > 0.78223376069904283" | bc
 
 run_giraffe_parallel_job:
-  stage: run_giraffe
+  stage: run_giraffe_parallel
   dependencies:
     - build_giraffe_job
   variables:
@@ -92,7 +94,7 @@ run_giraffe_parallel_job:
     - exit $?
 
 verify_giraffe_parallel_job:
-  stage: verify_giraffe
+  stage: verify_giraffe_parallel
   dependencies:
     - run_giraffe_parallel_job
   variables: