Update deno, lume, caddy to newer versions

Caddyfile

@@ -6,6 +6,12 @@
 	# auto_https contact mail address, for TLS certs notifications (expiry,
 	# other problems with certs)
 	email admins@pub.solar
+
+	# Fix for crash on triton, see:
+	# https://smartos.topicbox.com/groups/smartos-discuss/Te8e92fc14c1b3f9d
+	servers {
+		protocols h1 h2
+	}
 }
 
 # security and privacy header snippet

Dockerfile

@@ -1,12 +1,12 @@
-FROM denoland/deno:alpine-1.20.3 as build-stage
+FROM denoland/deno:alpine-1.29.4 as build-stage
 WORKDIR /app
 
 RUN apk update && apk add bash
-RUN deno run -A https://deno.land/x/lume@v1.6.4/install.ts
+RUN deno run -A https://deno.land/x/lume@v1.15.3/install.ts
 COPY . /app/
 RUN ./build.sh
 
-FROM caddy:2.4.6-alpine
+FROM caddy:2.6.4-alpine
 
 COPY --from=build-stage /app/_site /srv/miom.space/
 COPY --from=build-stage /app/Caddyfile /etc/caddy/Caddyfile