k3s: make update script work with all versions (#411512)

pkgs/applications/networking/cluster/k3s/update-script.sh

@@ -35,8 +35,7 @@ cd "$K3S_STORE_PATH"
 # Set the DRONE variables as they are expected to be set in version.sh
 DRONE_TAG="$LATEST_TAG_NAME"
 DRONE_COMMIT="$K3S_COMMIT"
-NO_DAPPER=1 # Skips git_version.sh execution in scripts/version.sh#L8
-source "${K3S_STORE_PATH}/scripts/git_version.sh"
+NO_DAPPER="" # Source git_version.sh in scripts/version.sh#L8
 source "${K3S_STORE_PATH}/scripts/version.sh"
 
 K3S_ROOT_SHA256=$(nix-prefetch-url --quiet --unpack \