Pin patchlevel version while setting up Go in CI

[amoghrajesh]

Observed

Setup go version spec 1.24
Attempting to download 1.24...
matching 1.24...
Acquiring 1.24.3 from https://github.com/actions/go-versions/releases/download/1.24.3-[14](https://github.com/apache/airflow/actions/runs/15281207510/job/42983260314?pr=51122#step:3:15)875263452/go-1.24.3-linux-x64.tar.gz
Extracting Go...
/usr/bin/tar xz --warning=no-unknown-keyword --overwrite -C /home/runner/work/_temp/958e0d9a-9ea1-49ed-8500-a0f2a5123443 -f /home/runner/work/_temp/0256b5ef-38c5-4b7d-813c-69c0ff85771f
Successfully extracted go to /home/runner/work/_temp/958e0d9a-9ea1-49ed-8500-a0f2a5123443
Adding to the cache ...
Successfully cached go to /opt/hostedtoolcache/go/1.24.3/x64
Added go to the path
Successfully set up Go version 1.24
/opt/hostedtoolcache/go/1.24.3/x64/bin/go env GOMODCACHE
/opt/hostedtoolcache/go/1.[24](https://github.com/apache/airflow/actions/runs/15281207510/job/42983260314?pr=51122#step:3:25).3/x64/bin/go env GOCACHE
/home/runner/go/pkg/mod
/home/runner/.cache/go-build
Warning: Restore cache failed: Dependencies file is not found in /home/runner/work/airflow/airflow. Supported file pattern: go.sum
go version go1.24.3 linux/amd64

in https://github.com/apache/airflow/actions/runs/15281207510/job/42983260314?pr=51122.

If patch level version isnt specificed, it seems to pick any patch level version. To keep it consistent, marking patch level version.

---

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[amoghrajesh]

Latest is ok, closing in that regard.