Enable Cirrus CI again for some Linux targets

There are two failures remaining (focal-32bit and jammy-asan):
https://github.com/krobelus/fish-shell/runs/28339746247

.cirrus.yml

@@ -6,20 +6,20 @@ linux_task:
     matrix:
         - name: alpine
           container: &step
-              image: ghcr.io/fish-shell/fish-ci/alpine:latest
+              image: ghcr.io/krobelus/fish-ci/alpine:latest
               memory: 4GB
         - name: jammy
           container:
               <<: *step
-              image: ghcr.io/fish-shell/fish-ci/jammy:latest
-        - name: jammy-asan
-          container:
-              <<: *step
-              image: ghcr.io/fish-shell/fish-ci/jammy-asan:latest
-        - name: focal-32bit
-          container:
-              <<: *step
-              image: ghcr.io/fish-shell/fish-ci/focal-32bit:latest
+              image: ghcr.io/krobelus/fish-ci/jammy:latest
+        # - name: jammy-asan
+        #   container:
+        #       <<: *step
+        #       image: ghcr.io/krobelus/fish-ci/jammy-asan:latest
+        # - name: focal-32bit
+        #   container:
+        #       <<: *step
+        #       image: ghcr.io/krobelus/fish-ci/focal-32bit:latest
 
     tests_script:
         # cirrus at times gives us 32 procs and 2 GB of RAM
@@ -31,8 +31,7 @@ linux_task:
         - ninja -j 6 fish
         - ninja fish_run_tests
 
-    # CI task disabled during RIIR transition
-    only_if: false && $CIRRUS_REPO_OWNER == 'fish-shell'
+    only_if: $CIRRUS_REPO_OWNER == 'fish-shell'
 
 linux_arm_task:
     matrix: