Update requirements.txt in fetch versions (#2106)

When we update to new versions of Python plugins, we should
search/replace with the new version number.

Author: pkwarren

Makefile

@@ -8,7 +8,7 @@ DOCKER_BUILD_EXTRA_ARGS ?=
 DOCKER_BUILDER := bufbuild-plugins
 DOCKER_CACHE_DIR ?= $(TMP)/dockercache
 GO ?= go
-GOLANGCI_LINT_VERSION ?= v2.4.0
+GOLANGCI_LINT_VERSION ?= v2.6.1
 GOLANGCI_LINT := $(TMP)/golangci-lint-$(GOLANGCI_LINT_VERSION)
 
 GO_TEST_FLAGS ?= -race -count=1

internal/cmd/fetcher/main.go

@@ -288,7 +288,7 @@ func copyFile(
 	}()
 	filename := filepath.Base(dest)
 	switch filename {
-	case "Dockerfile", "Dockerfile.wasm", "buf.plugin.yaml", "build.csproj", "package.json":
+	case "Dockerfile", "Dockerfile.wasm", "buf.plugin.yaml", "build.csproj", "package.json", "requirements.txt":
 		// We want to update these with the new version
 	default:
 		// Everything else just copy as-is