Make module cache writeable

pkg.info

@@ -1,7 +1,7 @@
 name: micro
 description: A modern and intuitive terminal-based text editor
 version: 2.0.14
-revision: 3
+revision: 4
 url: https://micro-editor.github.io/
 license: MIT
 architecture: any

source.sh

@@ -10,6 +10,9 @@ FILENAME="${DOWNLOAD##*/}"
 prepare() {
   wget "$DOWNLOAD"
   tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
+
+  cd "$BPM_SOURCE"
+  GOFLAGS="-modcacherw" go mod download
 }
 
 # The build function is executed in the source directory