Bug 1840697 - Move remaining Thunderbird-defined jobs to Debian 12 Docker images. r=dandarnell

Depends on D185318

Differential Revision: https://phabricator.services.mozilla.com/D185319

--HG--
extra : moz-landing-system : lando

taskcluster/ci/source-docs/kind.yml

@@ -26,7 +26,7 @@ jobs:
             tier: 2
         worker-type: t-linux-large
         worker:
-            docker-image: {in-tree: "debian11-amd64-build"}
+            docker-image: {in-tree: "debian12-amd64-build"}  # build image has curl
             max-run-time: 1800
             env:
                 TASK_ID: {"task-reference": "<self>"}

taskcluster/ci/source-test/python.yml

@@ -9,7 +9,7 @@ job-defaults:
     worker:
         # A build image instead of the lint image m-c uses, because of the
         # comm-checkout requirement.
-        docker-image: {in-tree: "debian11-amd64-build"}
+        docker-image: {in-tree: "debian12-amd64-build"}
         max-run-time: 3600
         env:
             MOZCONFIG: comm/mail/config/mozconfigs/linux64/source

taskcluster/docs/kinds.rst

@@ -4,6 +4,12 @@ Task Kinds
 This section lists and documents the additional task kinds that are specific
 to Thunderbird and are implemented in it's source tree.
 
+beetmover-strings-source
+------------------------
+
+Upload strings source files to FTP.
+
+
 shippable-l10n-pre
 ------------------
 Prepares a build artifact containing the translated strings from all locales.
@@ -59,7 +65,8 @@ shippable-l10n-pre-signing
 
 Signing job for shippable-l10n-pre artifacts
 
-beetmover-strings-source
-------------------------
 
-Upload strings source files to FTP.
+source-docs
+-----------
+
+Build Thunderbird source documentation and upload to RTD.