make local runs smoother on a couple projects

Author: SethTisue

proj/coulomb.conf

@@ -9,7 +9,9 @@ vars.proj.coulomb: ${vars.base} {
 
   extra.projects: ["coulomb_testsJVM"] // builds & tests everything.... I think
   extra.commands: ${vars.default-commands} [
-    // otherwise sbt-gpg errors on `publish`
+    // don't ask for passphrase when running locally
     "set every gpgWarnOnFailure := true"
+    // prevent sbt-gpg from asking for passphrase when running locally
+    """set every gpgKey := Some("")"""
   ]
 }

proj/doobie.conf

@@ -10,6 +10,8 @@ vars.proj.doobie: ${vars.base} {
     "doobie"   // just an aggregation, and causes missing-tut error
   ]
   extra.commands: ${vars.default-commands} [
+    // don't ask for passphrase when running locally
+    """set every gpgKey := Some("")"""
     // as per https://github.com/scala/community-builds/pull/835#issuecomment-455729365,
     // these subprojects require a Postgres instance for the tests to run
     "set postgres         / Test / executeTests := Tests.Output(TestResult.Passed, Map(), Iterable())"