ci: fix jobs not exiting on failure

ci: build: remove redundant source

.gitea/workflows/gentoo-utils.yml

@@ -4,11 +4,12 @@ on: [push]
 
 defaults:
   run:
-    shell: bash -l {0}
+    shell: bash -le {0}
 
 jobs:
   build-oci-image:
     runs-on: ubuntu-latest
+    continue-on-error: true
     steps:
       - name: Restore git cache
         uses: actions/cache@v4
@@ -122,7 +123,6 @@ jobs:
 
   fuzz:
     runs-on: brutalisk
-    timeout: 1m
     env:
       CC: 'clang'
       CXX: 'clang++'
@@ -139,7 +139,7 @@ jobs:
         run: |
           git clone https://github.com/gentoo/portage.git
           cd portage
-          python -m venv && ./venv/bin/pip install -e .
+          python -m venv .venv && ./venv/bin/pip install -e .
           source ./venv/bin/activate
           which emerge