chore: Migrate gsutil usage to gcloud storage (#406)

* chore: Migrate gsutil usage to gcloud storage
* Update python/dynamic-commands/README.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: bhandarivijay-png

python/dynamic-commands/README.md

@@ -93,7 +93,7 @@ These are the dynamic commands that the Chat App will recognize and load.
 This can be done from the command line with the following command:
 
 ```
-gsutil -m cp command_files/* gs://<PROJECT>-dynamic-commands
+gcloud storage cp command_files/* gs://<PROJECT>-dynamic-commands
 ```
 
 ## Set up the Chat App in Cloud Console
@@ -192,7 +192,7 @@ The bucket can be created in the
 the `gsutil` CLI as follows:
 
 ```
-gsutil mb -p <PROJECT> gs://<PROJECT>-dynamic-commands
+gcloud storage buckets create --project <PROJECT> gs://<PROJECT>-dynamic-commands
 ```
 
 

python/dynamic-commands/install.sh

@@ -109,10 +109,10 @@ if [ ${DEPLOY_STORAGE} -eq 1 ]; then
   BUCKET=${PROJECT}-dynamic-commands
 
   # Create bucket if it's not already present
-  ${DRY_RUN} gsutil ls -p ${PROJECT} gs://${BUCKET} > /dev/null 2>&1
+  ${DRY_RUN} gcloud storage ls --project=${PROJECT} gs://${BUCKET} > /dev/null 2>&1
   RETVAL=$?
   if (( ${RETVAL} != "0" )); then
-    ${DRY_RUN} gsutil mb -p ${PROJECT} gs://${BUCKET}
+    ${DRY_RUN} gcloud storage buckets create --project=${PROJECT} gs://${BUCKET}
   fi
 fi