remove 386 until we can fix it better

386 is very, very broken, and also complicated by a bug in qemu-user
    and/or the linux kernel depending on who you ask.

.github/workflows/main.yml

@@ -180,7 +180,8 @@ jobs:
         (startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master')
       run: |
         echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
-        docker manifest create fluxrm/flux-core:bookworm fluxrm/flux-core:bookworm-amd64 fluxrm/flux-core:bookworm-386 fluxrm/flux-core:bookworm-arm64
+        # maybe bring back later: fluxrm/flux-core:bookworm-386
+        docker manifest create fluxrm/flux-core:bookworm fluxrm/flux-core:bookworm-amd64 fluxrm/flux-core:bookworm-arm64
         docker manifest push fluxrm/flux-core:bookworm
 
     - name: upload tarball

src/test/generate-matrix.py

@@ -119,13 +119,13 @@ def __str__(self):
 # Debian: no args
 matrix.add_build(name="bookworm")
 
-# Debian: 32b
-matrix.add_build(
-    name="bookworm - 32 bit",
-    image="bookworm",
-    platform="linux/386",
-    docker_tag=True,
-)
+# # Debian: 32b -- NOTE: VERY broken right now
+# matrix.add_build(
+#     name="bookworm - 32 bit",
+#     image="bookworm",
+#     platform="linux/386",
+#     docker_tag=True,
+# )
 
 # Debian: arm64, expensive, only on master and tags, only install
 if matrix.branch == "master" or matrix.tag: