github: only run the coverity workflow on our repository

Also, get the project version dynamically using meson introspect.

.github/workflows/coverity.yml

@@ -6,6 +6,7 @@ on:
 
 jobs:
   coverity:
+    if: github.repository == 'canonical/netplan'
     runs-on: ubuntu-22.04
 
     steps:
@@ -15,7 +16,7 @@ jobs:
           sudo sed -i '/deb-src/s/^# //' /etc/apt/sources.list
           sudo apt update
           sudo apt -y build-dep netplan.io
-          sudo apt -y install libcmocka-dev meson python3-pytest curl
+          sudo apt -y install libcmocka-dev meson python3-pytest curl jq
       - name: Download Coverity
         run: |
           curl https://scan.coverity.com/download/cxx/linux64 --no-progress-meter --output ${HOME}/coverity.tar.gz --data "token=${{ secrets.COVERITY_TOKEN }}&project=Netplan"
@@ -29,4 +30,4 @@ jobs:
           tar czf netplan.tar.gz cov-int
       - name: Upload results
         run: |
-          curl --form token=${{ secrets.COVERITY_TOKEN }} --form email=${{ secrets.COVERITY_EMAIL }} --form [email protected] --form version="0.106" --form description="Coverity scan" https://scan.coverity.com/builds?project=Netplan
+          curl --form token=${{ secrets.COVERITY_TOKEN }} --form email=${{ secrets.COVERITY_EMAIL }} --form [email protected] --form version="$(meson introspect coveritybuild --projectinfo | jq -r .version)" --form description="Coverity scan" https://scan.coverity.com/builds?project=Netplan