Lose counter from release workflow loop

Workflow was failing on incrementing counter.

.github/workflows/release.yml

@@ -38,9 +38,8 @@ jobs:
       shell: bash
       run: |
         sleep 5
-        i=0
-        while [ $i -lt 12 ] && [ "${{ github.ref_name }}" != $(pip index versions -i https://test.pypi.org/simple --pre market-analy | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
-          do echo "waiting for package to appear in test index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; let i++; echo "next i is $i"; done
+        while [ "${{ github.ref_name }}" != $(pip index versions -i https://test.pypi.org/simple --pre market-analy | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
+          do echo "waiting for package to appear in test index, sleeping 5s"; sleep 5s; echo "woken up"; done
         pip install --index-url https://test.pypi.org/simple market-analy==${{ github.ref_name }} --no-deps
         pip install -r etc/requirements.txt
         python -c 'import market_analy;print(market_analy.__version__)'
@@ -60,8 +59,7 @@ jobs:
       shell: bash
       run: |
         sleep 5
-        i=0
-        while [ $i - lt 12 ] && [ "${{ github.ref_name }}" != $(pip index versions -i https://pypi.org/simple --pre market-analy | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
-          do echo "waiting for package to appear in index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; let i++; echo "next i is $i"; done
+        while [ "${{ github.ref_name }}" != $(pip index versions -i https://pypi.org/simple --pre market-analy | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
+          do echo "waiting for package to appear in index, sleeping 5s"; sleep 5s; echo "woken up"; done
         pip install --index-url https://pypi.org/simple market-analy==${{ github.ref_name }}
         python -c 'import market_analy;print(market_analy.__version__)'