feat(curriculum): add intros for blocks 8 and 9 of the B1 superblock (#58783)

client/i18n/locales/english/intro.json

@@ -1619,11 +1619,15 @@
       },
       "learn-how-to-share-feedback": {
         "title": "Learn How to Share Feedback",
-        "intro": ["", ""]
+        "intro": [
+          "In this course, you will see ways of telling other people how you feel about their work, highlighting both their strengths and points for improvement."
+        ]
       },
       "learn-how-to-share-your-opinion": {
         "title": "Learn How to Share Your Opinion",
-        "intro": ["", ""]
+        "intro": [
+          "This course will show you how to express your ideas and feeling towards topics in a discussion."
+        ]
       },
       "learn-how-to-express-agreement": {
         "title": "Learn How to Express Agreement",

curriculum/challenges/_meta/learn-how-to-share-feedback/meta.json

@@ -1,6 +1,6 @@
 {
   "name": "Learn How to Share Feedback",
-  "isUpcomingChange": true,
+  "isUpcomingChange": false,
   "dashedName": "learn-how-to-share-feedback",
   "order": 7,
   "superBlock": "b1-english-for-developers",

curriculum/challenges/_meta/learn-how-to-share-your-opinion/meta.json

@@ -1,6 +1,6 @@
 {
   "name": "Learn How to Share Your Opinion",
-  "isUpcomingChange": true,
+  "isUpcomingChange": false,
   "dashedName": "learn-how-to-share-your-opinion",
   "order": 8,
   "superBlock": "b1-english-for-developers",