Disabling cache in the setup-go steps of CI/CD

[ytimocin]

Description

Disabling cache in the setup-go steps of our CI/CD pipelines.

Ref: actions/setup-go#403 (comment)

Type of change

• This pull request fixes a bug in Radius and has an approved issue (issue link required).
  Fixes: Run actions/cache@v4 step in functional tests spams thousands of log lines #7790

Contributor checklist

Please verify that the PR meets the following requirements, where applicable:

• An overview of proposed schema changes is included in a linked GitHub issue.
• A design document PR is created in the design-notes repository, if new APIs are being introduced.
• If applicable, design document has been reviewed and approved by Radius maintainers/approvers.
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR.
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made.
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR.

[github-actions]

Unit Tests

3 526 tests  ±0   3 522 ✅ ±0   5m 5s ⏱️ -6s
  287 suites ±0       4 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit 233b9b8. ± Comparison against base commit 710509a.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.07%. Comparing base (710509a) to head (233b9b8).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8147      +/-   ##
==========================================
- Coverage   60.09%   60.07%   -0.02%     
==========================================
  Files         584      584              
  Lines       38675    38675              
==========================================
- Hits        23240    23234       -6     
- Misses      13729    13732       +3     
- Partials     1706     1709       +3     

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[radius-functional-tests]

Radius functional test overview

🔍 Go to test action run

Name	Value
Repository	radius-project/radius
Commit ref	233b9b8
Unique ID	funcb9a1b17d76
Image tag	pr-funcb9a1b17d76

Click here to see the list of tools in the current test run

• gotestsum 1.12.0
• KinD: v0.20.0
• Dapr:
• Azure KeyVault CSI driver: 1.4.2
• Azure Workload identity webhook: 1.3.0
• Bicep recipe location ghcr.io/radius-project/dev/test/testrecipes/test-bicep-recipes/<name>:pr-funcb9a1b17d76
• Terraform recipe location http://tf-module-server.radius-test-tf-module-server.svc.cluster.local/<name>.zip (in cluster)
• applications-rp test image location: ghcr.io/radius-project/dev/applications-rp:pr-funcb9a1b17d76
• dynamic-rp test image location: ghcr.io/radius-project/dev/dynamic-rp:pr-funcb9a1b17d76
• controller test image location: ghcr.io/radius-project/dev/controller:pr-funcb9a1b17d76
• ucp test image location: ghcr.io/radius-project/dev/ucpd:pr-funcb9a1b17d76
• deployment-engine test image location: ghcr.io/radius-project/deployment-engine:latest

Test Status

⌛ Building Radius and pushing container images for functional tests...
✅ Container images build succeeded
⌛ Publishing Bicep Recipes for functional tests...
✅ Recipe publishing succeeded
⌛ Starting corerp-cloud functional tests...
⌛ Starting ucp-cloud functional tests...
✅ corerp-cloud functional tests succeeded
✅ ucp-cloud functional tests succeeded

[kachawla]

Can you add some background in the description on why this change is being made, what are the drawbacks of disabling it?