[internal] Update GitHub Actions workflow files (#335)

Author: pulumi-bot

Makefile

@@ -102,7 +102,7 @@ lint_provider: provider
 	cd provider && golangci-lint run -c ../.golangci.yml
 
 provider: tfgen install_plugins
-	(cd provider && go build -p 1 -o $(WORKING_DIR)/bin/$(PROVIDER) -ldflags "-X $(PROJECT)/$(VERSION_PATH)=$(VERSION)" $(PROJECT)/$(PROVIDER_PATH)/cmd/$(PROVIDER))
+	(cd provider && go build $(PULUMI_PROVIDER_BUILD_PARALLELISM) -o $(WORKING_DIR)/bin/$(PROVIDER) -ldflags "-X $(PROJECT)/$(VERSION_PATH)=$(VERSION)" $(PROJECT)/$(PROVIDER_PATH)/cmd/$(PROVIDER))
 
 start-patch: upstream
 ifeq ("$(wildcard upstream)","")
@@ -131,7 +131,7 @@ test:
 	cd examples && go test -v -tags=all -parallel $(TESTPARALLELISM) -timeout 2h
 
 tfgen: install_plugins upstream
-	(cd provider && go build -p 1 -o $(WORKING_DIR)/bin/$(TFGEN) -ldflags "-X $(PROJECT)/$(VERSION_PATH)=$(VERSION)" $(PROJECT)/$(PROVIDER_PATH)/cmd/$(TFGEN))
+	(cd provider && go build $(PULUMI_PROVIDER_BUILD_PARALLELISM) -o $(WORKING_DIR)/bin/$(TFGEN) -ldflags "-X $(PROJECT)/$(VERSION_PATH)=$(VERSION)" $(PROJECT)/$(PROVIDER_PATH)/cmd/$(TFGEN))
 	$(WORKING_DIR)/bin/$(TFGEN) schema --out provider/cmd/$(PROVIDER)
 	(cd provider && VERSION=$(VERSION) go generate cmd/$(PROVIDER)/main.go)