Add integration workflow for iosxr

[Ruchip16]

Summary: "Setup Cisco.IOSXR upstream integration test to run on CML"

details: |

• Add upstream integration workflow for CML.
• Enables test job for Github repo cisco.iosxr
• Review the YAML files, node configuration file & workflow file
• Run the job and verify whether the CI runs or not.
• Update in comment about the status of the test failure if any.

ISSUE TYPE

• CI
• id: "ANA-419"
  type: "feature"
  link: "https://issues.redhat.com/browse/ANA-419"

COMPONENT NAME

integration-test.yml

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.69%. Comparing base (8f9341d) to head (87dd858).
Report is 40 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #526      +/-   ##
==========================================
+ Coverage   76.91%   78.69%   +1.78%     
==========================================
  Files         166      189      +23     
  Lines       11298    12116     +818     
==========================================
+ Hits         8690     9535     +845     
+ Misses       2608     2581      -27     

see 127 files with indirect coverage changes

[roverflow]

LGTM