Fix compact cells / uncompact cells segfaults and other memory issues (…

…#141)

* fix incorrect use of new[]

* fix compact

* fix uncompact

* fix compact varchar

* fix uncompact cells varchar

* newline at end of file

* fix h3_cells_to_multi_polygon_wkt

* fix ci

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
       duckdb_version: main
       ci_tools_version: main
       extension_name: h3
-      exclude_archs: "windows_amd64_rtools"
+      exclude_archs: "windows_amd64_rtools;windows_amd64_mingw"
 
   duckdb-stable-build:
     name: Build extension binaries
@@ -28,7 +28,7 @@ jobs:
       duckdb_version: v1.1.3
       ci_tools_version: v1.1.3
       extension_name: h3
-      exclude_archs: "windows_amd64_rtools"
+      exclude_archs: "windows_amd64_rtools;windows_amd64_mingw"
 
   duckdb-stable-deploy:
     name: Deploy extension binaries
@@ -38,6 +38,6 @@ jobs:
     with:
       duckdb_version: v1.1.3
       extension_name: h3
-      exclude_archs: "windows_amd64_rtools"
+      exclude_archs: "windows_amd64_rtools;windows_amd64_mingw"
       deploy_latest: ${{ startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' }}
       deploy_versioned: ${{ startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' }}