Fix pypi_publish regex (#49)

Co-authored-by: TheByronHimes <TheByronHimes@gmail.com>

.github/workflows/pypi_publish.yaml

@@ -18,7 +18,7 @@ jobs:
 
       - name: Verify Package Version vs Tag Version
         run: |
-          PKG_VER="$(grep -oP 'version = "\K[^"]+' pyproject.toml)"
+          PKG_VER="$(grep -oP '^version = "\K[^"]+' pyproject.toml)"
           TAG_VER="${GITHUB_REF##*/}"
           echo "Package version is $PKG_VER" >&2
           echo "Tag version is $TAG_VER" >&2