fix: can't run multiple services on k8s

[eliasscosta]

Fix Issue: #3288

The way the pod service starts up makes it impossible to run two or more pipelines at the same time when we have a service section.

The idea is to set the name of the service in the same way we did for the pod name.

Pipeline:

services:
  mydb:
    image: mysql
    environment:
      - MYSQL_DATABASE=test
      - MYSQL_ROOT_PASSWORD=example
    ports:
      - 3306/tcp
steps:
  get-version:
    image: ubuntu
    commands:
      - ( apt update && apt dist-upgrade -y && apt install -y mysql-client 2>&1 )> /dev/null
      - sleep 30s # need to wait for mysql-server init
      - echo 'SHOW VARIABLES LIKE "version"' | mysql -uroot -hmydb test -pexample

Running more than one pipeline result:

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (65d88be) 36.67% compared to head (111ac79) 36.64%.
Report is 13 commits behind head on main.

Files	Patch %	Lines
pipeline/backend/kubernetes/pod.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3395      +/-   ##
==========================================
- Coverage   36.67%   36.64%   -0.03%     
==========================================
  Files         225      225              
  Lines       14788    14820      +32     
==========================================
+ Hits         5423     5431       +8     
- Misses       8972     8996      +24     
  Partials      393      393              

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