chore: sync from plugin-template

CODE_OF_CONDUCT.md

@@ -1,6 +1,6 @@
 # Code of Conduct
 
-{{PROJECT_NAME}} is committed to providing a welcoming and harassment-free community.
+updater-terraform is committed to providing a welcoming and harassment-free community.
 
 ## Our Pledge
 

CONTRIBUTING.md

@@ -1,4 +1,4 @@
-# Contributing to {{PROJECT_NAME}}
+# Contributing to updater-terraform
 
 Thank you for your interest in contributing.
 
@@ -11,11 +11,11 @@ Thank you for your interest in contributing.
 ## Workflow
 
 1. Fork the repository and clone it locally
-2. Create a topic branch from `{{DEFAULT_BRANCH}}`
+2. Create a topic branch from `main`
 3. Keep changes focused and easy to review
 4. Run the relevant tests, lint checks, and build steps for the repo type
 5. Update docs when behavior, APIs, or contributor workflow changes
-6. Open a pull request against `{{DEFAULT_BRANCH}}`
+6. Open a pull request against `main`
 
 ## Commit Messages
 

Dockerfile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: 2026 The plugin-template Authors
+# SPDX-FileCopyrightText: 2026 The updater-terraform Authors
 
-FROM golang:1.24-alpine AS build
+FROM golang:1.25-alpine AS build
 WORKDIR /src
 RUN apk add --no-cache ca-certificates git
 COPY go.mod go.sum ./