[chore] Add bodyclose linter (open-telemetry#5659)

Add https://golangci-lint.run/usage/linters/#bodyclose linter.

PR in contrib:
open-telemetry/opentelemetry-go-contrib#5962

.golangci.yml

@@ -10,6 +10,7 @@ linters:
   # Specifically enable linters we want to use.
   enable:
     - asasalint
+    - bodyclose
     - depguard
     - errcheck
     - errorlint