[fenix] Bug 1586039 - Fix quoted version names (https://github.com/mozilla-mobile/fenix/pull/5811)

It was fixed in [1], but I regressed it when I resolved conflicts in [2]

[1] f9863564ee\#diff-3a2aaafc93fc8bb53e2029001aa236aeL98
[2] 2b941e690b\#diff-3a2aaafc93fc8bb53e2029001aa236aeR95

taskcluster/fenix_taskgraph/transforms/build.py

@@ -92,7 +92,7 @@ def add_release_version(config, tasks):
     for task in tasks:
         if task.pop("include-release-version", False):
             task["run"]["gradlew"].append(
-                '-PversionName="{}"'.format(config.params["release_version"])
+                '-PversionName={}'.format(config.params["release_version"])
             )
         yield task