Add debian:bookworm distro for 1.20 and 1.19, drop buster

Signed-off-by: Ivan Prisyazhnyy <john.koepi@gmail.com>

Author: sitano

1.19/buster/Dockerfile 1.19/bookworm/Dockerfile1.19/buster/Dockerfile renamed to 1.19/bookworm/Dockerfile

@@ -131,7 +131,7 @@ RUN set -eux; \
 		; \
 {{ ) else ( -}}
 		savedAptMark="$(apt-mark showmanual)"; \
-{{ if [ "1.19" ] | index(env.version) then ( -}}
+{{ if [ "1.19" ] | index(env.version) or env.variant != "bullseye" then ( -}}
 		apt-get update; \
 		apt-get install -y --no-install-recommends golang-go; \
 {{ ) else ( -}}

1.20/buster/Dockerfile 1.20/bookworm/Dockerfile1.20/buster/Dockerfile renamed to 1.20/bookworm/Dockerfile

@@ -153,8 +153,8 @@
       }
     },
     "variants": [
+      "bookworm",
       "bullseye",
-      "buster",
       "alpine3.18",
       "alpine3.17",
       "windows/windowsservercore-ltsc2022",
@@ -318,8 +318,8 @@
       }
     },
     "variants": [
+      "bookworm",
       "bullseye",
-      "buster",
       "alpine3.18",
       "alpine3.17",
       "windows/windowsservercore-ltsc2022",

Dockerfile-linux.template

@@ -143,8 +143,8 @@ for version in "${versions[@]}"; do
 		version: .version,
 		arches: .arches,
 		variants: [
+			"bookworm",
 			"bullseye",
-			"buster",
 			(
 				"3.18",
 				"3.17"