Force locale setting for the script

ehrenfeu · ehrenfeu · commit 8bd74a0ba6a3 · 2021-03-24T11:02:59.000+01:00
This avoids localized output that can confuse the script, e.g. when determining
the $defaultBranch.
diff --git a/release-version.sh b/release-version.sh
@@ -8,6 +8,10 @@
 # Authors: Johannes Schindelin & Curtis Rueden
 # ============================================================================
 
+# -- Avoid localized output that might confuse the script --
+
+export LC_ALL=C
+
 # -- Functions --
 
 die () {
