[master] 39b33d04c coverity: Fix the project name

[Dridi Boukelmoune]

commit 39b33d04cd91253d6f25f7f7687de141e19bcdee
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Mon Jan 31 11:05:32 2022 +0100

    coverity: Fix the project name
    
    It doesn't map the github repository name in our case.

diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index e2bcbb53b..d2e045bcc 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -29,6 +29,6 @@ jobs:
       - run: ./configure --with-persistent-storage
       - uses: vapier/coverity-scan-action at v0
         with:
-          project: varnishcache%2Fvarnish-cache
+          project: varnish
           email: varnish-dev at varnish-cache.org
           build_language: c