gh: ci: rename workflows

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

.github/workflows/database.yml

diff --git a/.github/workflows/database.yml b/.github/workflows/database.yml
index 924cc6e..1bf9403 100644
--- a/.github/workflows/database.yml
+++ b/.github/workflows/database.yml
@@ -4,7 +4,7 @@
   schedule:
     - cron: '0 0 * * *'
 
-name: CI Build
+name: Database
 
 jobs:
   BuildDatabase:

.github/workflows/tests.yml

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7c5f3f1..2364ad6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,7 +4,7 @@
   schedule:
     - cron: '0 0 * * *'
 
-name: CI Build
+name: Tests
 
 jobs: