chore: upgrade to Caddy 2.9.1

Author: dunglas

caddy/go.mod

@@ -7,7 +7,7 @@ toolchain go1.23.4
 replace github.com/dunglas/vulcain => ../
 
 require (
-	github.com/caddyserver/caddy/v2 v2.9.0
+	github.com/caddyserver/caddy/v2 v2.9.1
 	github.com/dunglas/vulcain v1.1.0
 	go.uber.org/zap v1.27.0
 )
@@ -26,7 +26,7 @@ require (
 	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
 	github.com/aryann/difflib v0.0.0-20210328193216-ff5ff6dc229b // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/caddyserver/certmagic v0.21.5 // indirect
+	github.com/caddyserver/certmagic v0.21.6 // indirect
 	github.com/caddyserver/zerossl v0.1.3 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect

caddy/go.sum

@@ -91,10 +91,10 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
-github.com/caddyserver/caddy/v2 v2.9.0 h1:rteY8N18LsQn+2KVk6R10Vg/AlNsID1N/Ek9JLjm2yE=
-github.com/caddyserver/caddy/v2 v2.9.0/go.mod h1:BYELOc32ZTQRzPy1UGngt3A9nQMTDWDN68fBaoHf4tI=
-github.com/caddyserver/certmagic v0.21.5 h1:iIga4nZRgd27EIEbX7RZmoRMul+EVBn/h7bAGL83dnY=
-github.com/caddyserver/certmagic v0.21.5/go.mod h1:n1sCo7zV1Ez2j+89wrzDxo4N/T1Ws/Vx8u5NvuBFabw=
+github.com/caddyserver/caddy/v2 v2.9.1 h1:OEYiZ7DbCzAWVb6TNEkjRcSCRGHVoZsJinoDR/n9oaY=
+github.com/caddyserver/caddy/v2 v2.9.1/go.mod h1:ImUELya2el1FDVp3ahnSO2iH1or1aHxlQEQxd/spP68=
+github.com/caddyserver/certmagic v0.21.6 h1:1th6GfprVfsAtFNOu4StNMF5IxK5XiaI0yZhAHlZFPE=
+github.com/caddyserver/certmagic v0.21.6/go.mod h1:n1sCo7zV1Ez2j+89wrzDxo4N/T1Ws/Vx8u5NvuBFabw=
 github.com/caddyserver/zerossl v0.1.3 h1:onS+pxp3M8HnHpN5MMbOMyNjmTheJyWRaZYwn+YTAyA=
 github.com/caddyserver/zerossl v0.1.3/go.mod h1:CxA0acn7oEGO6//4rtrRjYgEoa4MFw/XofZnrYwGqG4=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=