Migrate CI to use Fedora (#4)

Co-authored-by: Erki <erki@skullnet.me>
Reviewed-on: #4

.gitea/workflows/ci.yml

@@ -4,15 +4,10 @@ on: [push, pull_request]
 
 jobs:
   Unit-Tests:
-    runs-on: ubuntu-latest
+    runs-on: fedora-cpp
     steps:
       - uses: actions/checkout@v3
 
-      - name: Prepare environment
-        run: |
-          apt update
-          apt install -y --no-install-recommends build-essential cmake ninja-build
-
       - name: Configure build
         working-directory: ${{runner.workspace}}
         run: |
@@ -29,16 +24,10 @@ jobs:
         working-directory: ${{runner.workspace}}/build
         run: ctest . --output-on-failure
   Docs:
-      runs-on: ubuntu-latest
+      runs-on: fedora-cpp
       steps:
         - uses: actions/checkout@v3
 
-        - name: Prepare environment
-          run: |
-            apt update
-            apt install -y --no-install-recommends build-essential cmake ninja-build doxygen python3-sphinx python3 python3-pip
-            pip3 install breathe
-
         - name: Configure build
           working-directory: ${{runner.workspace}}
           run: |