Fix PR review prompt to get repo correctly (#148)

Author: jerop

.github/workflows/gemini-pr-review.yml

@@ -211,7 +211,7 @@ jobs:
             ## Steps
 
             Start by running these commands to gather the required data:
-            1. Run: echo $"{REPOSITORY}" to get the github repository in <OWNER>/<REPO> format
+            1. Run: echo "${REPOSITORY}" to get the github repository in <OWNER>/<REPO> format
             2. Run: echo "${PR_DATA}" to get PR details (JSON format)
             3. Run: echo "${CHANGED_FILES}" to get the list of changed files
             4. Run: echo "${PR_NUMBER}" to get the PR number

examples/workflows/pr-review/gemini-pr-review.yml

@@ -211,7 +211,7 @@ jobs:
             ## Steps
 
             Start by running these commands to gather the required data:
-            1. Run: echo $"{REPOSITORY}" to get the github repository in <OWNER>/<REPO> format
+            1. Run: echo "${REPOSITORY}" to get the github repository in <OWNER>/<REPO> format
             2. Run: echo "${PR_DATA}" to get PR details (JSON format)
             3. Run: echo "${CHANGED_FILES}" to get the list of changed files
             4. Run: echo "${PR_NUMBER}" to get the PR number