Pass --no-cache to apk even in CI

.github/workflows/ci.yml

@@ -129,7 +129,7 @@ jobs:
       - name: Install requirements (alpine)
         run: |
           set -eux
-          apk add bash cargo
+          apk --no-cache add bash cargo
         shell: sh
         if: startsWith(matrix.container, 'alpine')
       - uses: actions/checkout@v3

main.sh

@@ -275,9 +275,9 @@ snap_install() {
 }
 apk_install() {
     if type -P doas &>/dev/null; then
-        doas apk add --no-cache "$@"
+        doas apk --no-cache add "$@"
     else
-        apk add --no-cache "$@"
+        apk --no-cache add "$@"
     fi
 }
 dnf_install() {