MT#55283 fix `git describe --tags` usage

Add --always so that it works when not on a tag.

Change-Id: Ica0bfebe66942bd17c4bc2648f806ec60f731019

.github/workflows/coverity.yml

@@ -62,5 +62,5 @@ jobs:
             --form token=$COVERITY_SCAN_TOKEN \
             --form email=$COVERITY_SCAN_NOTIFICATION_EMAIL \
             --form file=@cov-int.tar.gz \
-            --form version="`git describe --tags`" \
-            --form description="`git describe --tags` / $CI_COMMIT_TITLE / $CI_COMMIT_REF_NAME:$CI_PIPELINE_ID"
+            --form version="`git describe --tags --always`" \
+            --form description="`git describe --tags --always` / $CI_COMMIT_TITLE / $CI_COMMIT_REF_NAME:$CI_PIPELINE_ID"