go/lint: read GOLANGCI_LINT_VERSION to override version (#322)

* go/lint: read GOLANGCI_LINT_VERSION to override version

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: adamdecaf

go/README.md

@@ -5,6 +5,10 @@
 - `EXPERIMENTAL`: List of additional checks to perform. (Example: `gitleaks,...`)
    - Current experiments: `gitleaks`, `govulncheck`, `shuffle`
 
+### Versions
+
+- `GOLANGCI_LINT_VERSION`: Overrides the `golangci-lint` version used. Defaults to `latest`.
+
 ### Go Linters
 
 - `DISABLE_GOVULNCHECK`: Set to skip running [govulncheck](https://pkg.go.dev/golang.org/x/vuln/cmd/govulncheck)

go/lint-project.sh

@@ -2,7 +2,7 @@
 set -e
 
 gitleaks_version=8.17.0
-golangci_version=latest
+golangci_version="${GOLANGCI_LINT_VERSION:-latest}"
 sqlvet_version=v1.1.5
 
 # Set these to any non-blank value to disable the linter