ci: pin Click >=8.3.0 in publish-aea-packages step

Click <8.3 ignores default= on flag_value options, causing
aea init --remote --ipfs to default to local registry instead.
Pin Click >=8.3.0 in the release workflow so push-all works.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: DavidMinarsch

.github/workflows/release.yml

@@ -171,6 +171,10 @@ jobs:
           python -m pip install --upgrade pip
           pip install ".[all]" --no-cache
           pip install plugins/aea-cli-ipfs --no-cache
+          # Pin Click >=8.3.0: flag_value default handling is broken in <8.3,
+          # causing aea init --remote --ipfs to ignore the flags.
+          # Remove once setup.py lower bound is raised to >=8.3.0.
+          pip install "click>=8.3.0,<8.4.0" --no-cache
 
       - name: Push Packages
         run: |