Replace tenv and exportloopref linters with usetesting and copyloopvar (#278)

.golangci.yml

@@ -1,7 +1,7 @@
 # Visit https://golangci-lint.run/ for usage documentation
 # and information on other useful linters
 issues:
-  max-per-linter: 0
+  max-issues-per-linter: 0
   max-same-issues: 0
 
 linters:
@@ -20,8 +20,7 @@ linters:
     - nilerr
     - predeclared
     - staticcheck
-    - tenv
     - unconvert
     - unparam
     - unused
-    - govet
+    - usetesting