build: coverity: use curl and build in debian.python

Use the debian.python container so we also build the Python binding. And
while at it use curl instead of wget, the container only ships curl.

Signed-off-by: Daniel Wagner <wagi@kernel.org>

Author: igaw

.github/workflows/coverity.yml

@@ -18,7 +18,7 @@ jobs:
     name: coverity scan
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/linux-nvme/debian:latest
+      image: ghcr.io/linux-nvme/debian.python:latest
     steps:
       - uses: actions/checkout@v5
         with:
@@ -38,9 +38,10 @@ jobs:
 
       - name: Download Coverity Build Tool
         run: |
-          wget -q https://scan.coverity.com/download/linux64 \
-            --post-data "token=${{ secrets.COVERITY_SCAN_TOKEN }}&project=linux-nvme%2Fnvme-cli" \
-            -O coverity_tool.tgz
+          curl -o coverity_tool.tgz \
+            --form token=${{ secrets.COVERITY_SCAN_TOKEN }} \
+            --form project=linux-nvme/nvme-cli \
+            https://scan.coverity.com/download/linux64
           mkdir coverity-tools
           tar xzf coverity_tool.tgz --strip 1 -C coverity-tools