Fix 'dogtag-restore.sh' file name

Fixes: PROD-33787

Change-Id: Iaf83cb0b5b580461fd51244c41b9405b50427cfa
diff --git a/dogtag/files/dogtag_restore.sh b/dogtag/files/dogtag-restore.sh
similarity index 100%
rename from dogtag/files/dogtag_restore.sh
rename to dogtag/files/dogtag-restore.sh