Add bullseye variants

Author: tianon

1.16/bullseye/Dockerfile

@@ -6,7 +6,7 @@ declare -A aliases=(
 	[1.18-rc]='rc'
 )
 
-defaultDebianSuite='buster'
+defaultDebianSuite='bullseye'
 declare -A debianSuite=(
 	#[1.13-rc]='buster'
 )

1.17/bullseye/Dockerfile

@@ -143,6 +143,7 @@
       }
     },
     "variants": [
+      "bullseye",
       "buster",
       "stretch",
       "alpine3.14",
@@ -306,6 +307,7 @@
       }
     },
     "variants": [
+      "bullseye",
       "buster",
       "stretch",
       "alpine3.14",

generate-stackbrew-library.sh

@@ -138,6 +138,7 @@ for version in "${versions[@]}"; do
 		version: .version,
 		arches: .arches,
 		variants: [
+			"bullseye",
 			"buster",
 			"stretch",
 			(