Ensure Github Actions trigger on EL9 image changes

Signed-off-by: Trey Dockendorf <tdockendorf@osc.edu>

Author: treydock

.github/workflows/build.yaml

@@ -6,13 +6,15 @@ on:
             - main
         paths:
             - 'dockerfiles/dnf/Dockerfile'
+            - 'dockerfiles/dnf/Dockerfile.el9'
         tags:
             - 'v*.*.*'
     pull_request:
         branches:
             - main
         paths:
             - 'dockerfiles/dnf/Dockerfile'
+            - 'dockerfiles/dnf/Dockerfile.el9'
     workflow_dispatch:
 
 jobs:

dockerfiles/dnf/Dockerfile.el9

@@ -13,7 +13,7 @@ RUN dnf install -y \
         fuse-overlayfs \
         tar \
         squashfs-tools \
-	fuse-overlayfs
+        fuse-overlayfs
 
 # Ensure python3 shebang uses Python 3.11
 RUN alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 && \