Fix bk docker and bk edit (#318)

* Fix brewkit source mount within bk docker

Refs pkgxdev/pantry#5472 (comment)

* Fix bk edit

Author: felipecrs

bin/bk-docker

@@ -19,7 +19,7 @@ if [ ! -d "$PKGX_PANTRY_PATH" ]; then
   exit 64
 fi
 
-d="$(cd "$(dirname "$0")/../.." && pwd)"
+d="$(cd "$(dirname "$0")/.." && pwd)"
 
 if [ -z "$GITHUB_TOKEN" ]; then
   GITHUB_TOKEN=$(pkgx gh auth token)

bin/bk-edit

@@ -2,7 +2,7 @@
 
 set -eo pipefail
 
-d="$(cd "$(dirname "$0")/../.." && pwd)"
+d="$(cd "$(dirname "$0")/.." && pwd)"
 
 if [ -z "$1" ]; then
   if [ -z "$PKGX_PANTRY_PATH" ]; then