ci: create repos.conf dir before writing repo configs

A fresh gentoo/stage3 container has no /etc/portage/repos.conf directory, so
writing gentoo.conf failed. mkdir -p it first in both workflows and the bump
script.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitea/workflows/bump.yaml

@@ -15,6 +15,7 @@ jobs:
 
       - name: Configure portage + install tooling
         run: |
+          mkdir -p /etc/portage/repos.conf
           printf '[DEFAULT]\nmain-repo = gentoo\n\n[gentoo]\nlocation = /var/db/repos/gentoo\n' \
             > /etc/portage/repos.conf/gentoo.conf
           sed -i 's/^verify-signature = true/verify-signature = false/' \

.gitea/workflows/ci.yaml

@@ -19,6 +19,7 @@ jobs:
       # can be pulled instead of compiled.
       - name: Configure portage
         run: |
+          mkdir -p /etc/portage/repos.conf
           printf '[DEFAULT]\nmain-repo = gentoo\n\n[gentoo]\nlocation = /var/db/repos/gentoo\n' \
             > /etc/portage/repos.conf/gentoo.conf
           sed -i 's/^verify-signature = true/verify-signature = false/' \

scripts/bump-version.sh

@@ -89,6 +89,7 @@ goreq=$(curl -fsSL "${UPSTREAM_GOMOD}/v${latest}/go.mod" \
 mkdir -p /var/cache/distfiles
 cp "${dist}/${PN}-${latest}.tar.gz" /var/cache/distfiles/
 cp "${dist}/${PN}-${latest}-vendor.tar.xz" /var/cache/distfiles/
+mkdir -p /etc/portage/repos.conf
 printf '[DEFAULT]\nmain-repo = gentoo\n\n[gentoo]\nlocation = /var/db/repos/gentoo\n' \
   > /etc/portage/repos.conf/gentoo.conf
 printf '[azy5030]\nlocation = %s\nmasters = gentoo\nauto-sync = false\n' "$WORK" \