ci: add git safe directory

Fixes:
fatal: detected dubious ownership in repository at '/workspace/tpm2-tss-engine'
To add an exception for this directory, call:

	git config --global --add safe.directory /workspace/tpm2-tss-engine

Signed-off-by: William Roberts <william.c.roberts@intel.com>

Author: William Roberts

.ci/docker.run

@@ -3,6 +3,8 @@
 
 set -exo pipefail
 
+git config --global --add safe.directory /workspace/tpm2-tss-engine
+
 $DOCKER_BUILD_DIR/.ci/get_deps.sh "$(dirname $DOCKER_BUILD_DIR)"
 
 pushd $DOCKER_BUILD_DIR