*: git.monogon.dev -> source.monogon.dev

This implements T882, setting our (virtual) GOPATH to source.monogon.dev
for this repository.

Test Plan: Refactor, CI only.

X-Origin-Diff: phab/D686
GitOrigin-RevId: c5e2309089948ffc3a98e68e2e0e1cbb157d3a36
diff --git a/build/bindata/README.md b/build/bindata/README.md
index ae93b53..e7cd8f1 100644
--- a/build/bindata/README.md
+++ b/build/bindata/README.md
@@ -21,7 +21,7 @@
     embed = [
         ":migrations_pack",
     ],
-    importpath = "git.monogon.dev/source/nexantic.git/golibs/minijob/generated/sql",
+    importpath = "source.monogon.dev/golibs/minijob/generated/sql",
     visibility = ["//visibility:public"],
 )