letsencrypt: refactor addon (#3943)

* letsencrypt: improve documentation

* letsencrypt: refactor configuration and align with documentation

* letsencrypt: improve documentation

* letsencrypt: refactor scripts

* letsencrypt: switch dns-gandi to a maintained version

* letsencrypt: add additional arguments to certbot

* letsencrypt: fix review suggestions

* letsencrypt: add check for TransIP global_key

* as per comment #3855 (comment)
* fixes #3876

Co-authored-by: Goopher <[email protected]>

* letsencrypt: refactor with coderabbitai suggestions

Signed-off-by: Goetz Goerisch <[email protected]>

* letsencrypt: bump to 5.4.0

---------

Signed-off-by: Goetz Goerisch <[email protected]>
Co-authored-by: Goopher <[email protected]>

Author: GoetzGoerisch

letsencrypt/CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.4.0
+
+- Add additional arguments to certbot (dry-run, test-cert, verbose)
+- Switch gandi-dns to a maintained version (certbot-plugin-gandi-modern)
+- Refactor scripts
+- Improve documentation
+- Refactor configuration and align with documentation
+
 ## 5.3.3
 
 - Re-enabled certbot-dns-mijn-host