docker/fedora: use git-core instead of git

We don't need the full blown git pakcage and we can avoid
a couple of perl deps that way

docker/fedora/prepare.sh

@@ -1,6 +1,6 @@
 set -eu
 
-dnf install -y git meson ninja-build dnf-plugins-core
+dnf install -y git-core meson ninja-build dnf-plugins-core
 
 # Configure git for various usage
 git config --global user.email "gst-build@gstreamer.net"

docker/test_manifest/Dockerfile

@@ -4,5 +4,5 @@ RUN dnf install -y \
     python3-pytest \
     python3-requests \
     python3-pytest-cov \
-    git \
+    git-core \
     && rm -rf /var/cache/dnf /var/log/dnf*