.github/build.yml: improve ntfc installation

increase retries and timeout for pip install and try again in case of failure

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

Author: raiden00pl

.github/workflows/build.yml

@@ -183,7 +183,15 @@ jobs:
           run: |
             export ARTIFACTDIR=`pwd`/buildartifacts
 
-            pip install ntfc==0.0.1
+            for i in 1 2 3; do
+              python -m pip install \
+                --default-timeout=100 \
+                --retries 10 \
+                ntfc==0.0.1 && break
+              echo "Retry $i failed..."
+              sleep 5
+            done
+
             mkdir /github/workspace/nuttx-ntfc
             mkdir /github/workspace/nuttx-ntfc/external
             cd /github/workspace/nuttx-ntfc