fix: Put export script in own image

HEREDOC support for podman doesn't work exactly 1-1 with Dockerfiles. This fix gives the export script its own image that we mount.

.github/workflows/build-pr.yml

@@ -44,6 +44,8 @@ jobs:
       packages: write
     timeout-minutes: 60
     runs-on: ubuntu-latest
+    needs:
+      - build
 
     steps:
       - name: Maximize build space
@@ -78,6 +80,8 @@ jobs:
       contents: read
       packages: write
       id-token: write
+    needs:
+      - build
 
     steps:
       - name: Maximize build space

.github/workflows/build.yml

@@ -58,6 +58,8 @@ jobs:
       packages: write
     timeout-minutes: 60
     runs-on: ubuntu-latest
+    needs:
+      - build
 
     steps:
       - name: Maximize build space
@@ -92,6 +94,8 @@ jobs:
       contents: read
       packages: write
       id-token: write
+    needs:
+      - build
 
     steps:
       - name: Maximize build space