install old w/ trunk in upgrade test (#217)

* install old w/ trunk

* use correct vectorize ver

* test from 0.18

* 0.20

Author: ChuckHend

.github/workflows/extension_upgrade.yml

@@ -50,16 +50,17 @@ jobs:
       - name: Install project dependencies
         run: |
           make setup
-      - name: Test previous version (main))
+          cargo install pg-trunk
+      - name: Test previous version (v0.20.0)
         env:
           HF_API_KEY: ${{ secrets.HF_API_KEY }}
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           CO_API_KEY: ${{ secrets.CO_API_KEY }}
         run: |
+          trunk install vectorize --version 0.20.0 --pg-config $(cargo pgrx info pg-config pg17)
           git fetch --tags
-          git checkout main
-          echo "\q" | make run
-          cargo test -- --ignored --test-threads=1
+          git checkout tags/v0.20.0
+          make test-integration
       - name: Test branch's version
         env:
           CI_BRANCH: ${{ steps.current-version.outputs.CI_BRANCH }}