docs: update stale links to GitLab docs (anchors)

README.md

@@ -11,7 +11,7 @@ This project implements a GitLab CI/CD template to automate your versioning and
 
 ## Usage
 
-This template can be used both as a [CI/CD component](https://docs.gitlab.com/ee/ci/components/#use-a-component-in-a-cicd-configuration) or using the legacy [`include:project`](https://docs.gitlab.com/ee/ci/yaml/index.html#includeproject) syntax.
+This template can be used both as a [CI/CD component](https://docs.gitlab.com/ee/ci/components/#use-a-component) or using the legacy [`include:project`](https://docs.gitlab.com/ee/ci/yaml/index.html#includeproject) syntax.
 
 ### Use as a CI/CD component
 
@@ -212,7 +212,7 @@ If the version of Semantic Release is pinned using [`SEMREL_VERSION`](#global-co
 
 Here are some advices about your **secrets** (variables marked with a :lock:):
 
-1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#add-a-cicd-variable-to-a-project):
+1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#for-a-project):
     * [**masked**](https://docs.gitlab.com/ee/ci/variables/#mask-a-cicd-variable) to prevent them from being inadvertently
       displayed in your job logs,
     * [**protected**](https://docs.gitlab.com/ee/ci/variables/#protected-cicd-variables) if you want to secure some secrets