Fix gh actions version pinning (#8)

Author: jakeloo

.github/workflows/publish_pypi_thirdweb_ai.yaml

@@ -35,7 +35,7 @@ jobs:
       run: poetry build
 
     - name: Publish package
-      uses: pypa/gh-action-pypi-publish@release/76f52bc884231f62b9a034ebfe128415bbaabdfc # v1.12.4
+      uses: pypa/gh-action-pypi-publish@76f52bc884231f62b9a034ebfe128415bbaabdfc # v1.12.4
       with:
         user: __token__
         password: ${{ secrets.PYPI_API_KEY }}

.github/workflows/publish_pypi_thirdweb_mcp.yaml

@@ -35,7 +35,7 @@ jobs:
       run: poetry build
 
     - name: Publish package
-      uses: pypa/gh-action-pypi-publish@release/76f52bc884231f62b9a034ebfe128415bbaabdfc # v1.12.4
+      uses: pypa/gh-action-pypi-publish@76f52bc884231f62b9a034ebfe128415bbaabdfc # v1.12.4
       with:
         user: __token__
         password: ${{ secrets.PYPI_API_KEY }}