feat: Add new field for TemplateObjects in TierTemplate CRD to support go template syntax

[mfrancisc]

Related to: codeready-toolchain/api#441

Jira: https://issues.redhat.com/browse/KUBESAW-135

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexeykazakov, MatousJobanek, mfrancisc

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.09%. Comparing base (3b10773) to head (b139c5a).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1080      +/-   ##
==========================================
+ Coverage   85.07%   85.09%   +0.01%     
==========================================
  Files          55       55              
  Lines        5038     5038              
==========================================
+ Hits         4286     4287       +1     
+ Misses        581      580       -1     
  Partials      171      171              

see 1 file with indirect coverage changes