docs(integrations): Link to our CI documentation

Author: Jasmin Oster

docs/src/docs/welcome/integrations.mdx

@@ -51,7 +51,7 @@ The following plugins support `golangci-lint`:
 ## Shell Completion
 
 `golangci-lint` can generate Bash, fish, PowerShell, and Zsh completion files.
-
+]
 See the instructions on `golangci-lint completion <YOUR_SHELL> --help` (replace `<YOUR_SHELL>` with your favorite one).
 
 <details><summary>Bash & macOS</summary>
@@ -85,4 +85,5 @@ source ~/.bashrc
 
 ## CI Integration
 
-See our [GitHub Action](/welcome/install/#github-actions).
+Check out our [documentation for CI integrations](/welcome/install#ci-installation).
+