Fix context in data sources. (#221)

Some data sources added recently were missing `context:
{}`. Unfortunately, for some reason I haven't looked into yet, this is
not a problem locally while it is in SAAS.

Author: blkt

.github/workflows/update.yaml

@@ -71,7 +71,7 @@ jobs:
           BEFORE_FILE="before_files/$FILE"
           AFTER_FILE="$FILE"
 
-          if [ -f "$BEFORE_FILE" ]; then
+          if [ -f "$BEFORE_FILE" ] && [ grep "type: rule-type" "$BEFORE_FILE" ]; then
             echo "Running ruletype validate-update command for $BEFORE_FILE and $AFTER_FILE..."
             # Run the go command with the before and after files
             dev ruletype validate-update --before "$BEFORE_FILE" --after "$AFTER_FILE"

data-sources/ghapi.yaml

@@ -1,6 +1,7 @@
 version: v1
 type: data-source
 name: ghapi
+context: {}
 rest:
   def:
     license:

data-sources/osi.yaml

@@ -1,6 +1,7 @@
 version: v1
 type: data-source
 name: osi
+context: {}
 rest:
   def:
     licenses: