fix(debian): make sure we can publish all archs (#350)

We are mostly good to declare a stable release. We still need to deal with https://github.com/ooni/probe/issues/1484.

In this PR, we fix the aforementioned issue. These are the changes:

1. we remove the vendored `debops-ci`, and we pull it directly from `ooni/sysadmin`
2. we introduce a new script, `./CLI/linux/pubdebian`, to publish packages
3. we modify `./mk` to allow for publishing debian packages built outside of CI

The latter point has been quite useful in debugging what was wrong.

.gitignore

@@ -1,21 +1,22 @@
-.DS_Store
-/*.asc
-/*.deb
-/*.jsonl
-/*.tar.gz
-/*.zip
 /apitool
 /apitool.exe
+/*.asc
 /coverage.cov
+/*.deb
+/debops-ci
+.DS_Store
+/*.jsonl
 /miniooni
 /miniooni.exe
 /oohelper
-/oohelper.exe
 /oohelperd
 /oohelperd.exe
+/oohelper.exe
 /ooniprobe
-/ooniprobe.exe
 /ooniprobe_checksums.txt
 /ooniprobe_checksums.txt.asc
+/ooniprobe.exe
 /probe-cli.cov
+/*.tar.gz
 /testdata/gotmp
+/*.zip