Update OCI CLI installation method in deploy workflow

Replaced pip installation with the official OCI CLI installation script to ensure a more reliable setup process. Added a debug command for validating OCI CLI availability before deploying to Container Instances.

Author: kelvink96

.github/workflows/deploy-to-oci.yml

@@ -41,7 +41,7 @@ jobs:
 
       - name: Set up OCI CLI
         run: |
-          pip install oci-cli
+          bash -c "$(curl -L https://raw.githubusercontent.com/oracle/oci-cli/master/scripts/install/install.sh)"
           mkdir -p ~/.oci
           echo "${{ secrets.OCI_CONFIG }}" > ~/.oci/config
           echo "${{ secrets.OCI_KEY }}" > ~/.oci/key.pem
@@ -50,6 +50,7 @@ jobs:
 
       - name: Deploy to Container Instances
         run: |
+          oci container-instance --help \
           oci container-instance create \
             --compartment-id ${{ secrets.OCI_COMPARTMENT_ID }} \
             --availability-domain ${{ secrets.OCI_AVAILABILITY_DOMAIN }} \