netlify: downgrade Go version

Author: ldez

netlify.toml

@@ -1,21 +1,21 @@
 [context.production.environment]
-  GO_VERSION = "1.19"
+  GO_VERSION = "1.18"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"
 #   NPM_FLAGS = "--force"
   NPM_VERSION = "8.5.5"
 
 [context.deploy-preview.environment]
-  GO_VERSION = "1.19"
+  GO_VERSION = "1.18"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"
 #   NPM_FLAGS = "--force"
   NPM_VERSION = "8.5.5"
 
 [context.branch-deploy.environment]
-  GO_VERSION = "1.19"
+  GO_VERSION = "1.18"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"