Bump Gitea to 1.20.3

Enable Gitea actions

docker/docker/gitea/Dockerfile

@@ -1,5 +0,0 @@
-FROM gitea/gitea:1.20
-
-RUN apk --no-cache add gcc python3-dev py3-pip linux-headers musl-dev libffi-dev
-RUN pip3 install --upgrade pip
-RUN pip3 install jupyter

docker/docker/gitea/docker-compose.yaml

@@ -2,9 +2,8 @@ version: "3"
 
 services:
   gitea:
-    image: pbrinkmeier/gitea
-    build: .
-    restart: always
+    image: gitea/gitea:1.20.3
+    restart: unless-stopped
     environment:
       # Ref: https://docs.gitea.io/en-us/config-cheat-sheet
       # User is created by misc-docker.yaml
@@ -36,12 +35,17 @@ services:
       GITEA__service__DEFAULT_ENABLE_TIMETRACKING: "false"
       GITEA__service__DEFAULT_ALLOW_ONLY_CONTRIBUTORS_TO_TRACK_TIME: "false"
       GITEA__mailer__ENABLED: "true"
-      GITEA__mailer__HOST: smtp.mailbox.org:465
+      GITEA__mailer__PROTOCOL: smtps
+      GITEA__mailer__SMTP_ADDR: smtp.mailbox.org
+      GITEA__mailer__SMTP_HOST: 465
       GITEA__mailer__FROM: git@pbrinkmeier.de
       GITEA__mailer__USER: hallo@pbrinkmeier.de
       GITEA__mailer__PASSWD: "${GITEA_SMTP_PASSWORD}"
       GITEA__openid__ENABLE_OPENID_SIGNIN: "false"
       GITEA__openid__ENABLE_OPENID_SIGNUP: "false"
+      # Enable Gitea actions
+      # Ref: https://docs.gitea.com/usage/actions/quickstart
+      GITEA__actions__ENABLED: "true"
     volumes:
       - /var/lib/pbri/docker/gitea:/data
       - /etc/timezone:/etc/timezone:ro
@@ -53,7 +57,7 @@ services:
 
   gitea_db:
     image: postgres:14.5-alpine
-    restart: always
+    restart: unless-stopped
     environment:
       POSTGRES_DB: gitea
       POSTGRES_USER: gitea