.github/workflows/build.yml: bump NTFC to 0.0.3

Install the published NTFC 0.0.3 package from PyPI instead of the
temporary upstream main dependency.

Keep the retry loop and fail the job when all installation attempts are
exhausted.

Signed-off-by: raiden00pl <raiden00@railab.me>

.github/workflows/build.yml

@@ -348,10 +348,18 @@ jobs:
             export ARTIFACTDIR=`pwd`/buildartifacts
 
             for i in 1 2 3; do
-              python -m pip install \
+              if python -m pip install \
                 --default-timeout=100 \
                 --retries 10 \
-                ntfc==0.0.1 && break
+                ntfc==0.0.3; then
+                break
+              fi
+
+              if [ "$i" -eq 3 ]; then
+                echo "Failed to install NTFC after $i attempts"
+                exit 1
+              fi
+
               echo "Retry $i failed..."
               sleep 5
             done