Bump postgres and mysql versions (go-gitea#15710)

* bump postgres and mysql DB versions

* posgres test against v10

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

.drone.yml

@@ -153,7 +153,7 @@ services:
       MYSQL_DATABASE: test
 
   - name: mysql8
-    image: mysql:8.0
+    image: mysql:8
     environment:
       MYSQL_ALLOW_EMPTY_PASSWORD: yes
       MYSQL_DATABASE: testgitea
@@ -319,7 +319,7 @@ trigger:
 services:
   - name: pgsql
     pull: default
-    image: postgres:9.5
+    image: postgres:10
     environment:
       POSTGRES_DB: test
       POSTGRES_PASSWORD: postgres

docs/content/doc/installation/with-docker-rootless.en-us.md

@@ -107,7 +107,7 @@ services:
 +      - db
 +
 +  db:
-+    image: mysql:5.7
++    image: mysql:8
 +    restart: always
 +    environment:
 +      - MYSQL_ROOT_PASSWORD=gitea
@@ -148,7 +148,7 @@ services:
 +      - db
 +
 +  db:
-+    image: postgres:9.6
++    image: postgres:13
 +    restart: always
 +    environment:
 +      - POSTGRES_USER=gitea

docs/content/doc/installation/with-docker.en-us.md

@@ -137,7 +137,7 @@ services:
 +      - db
 +
 +  db:
-+    image: mysql:5.7
++    image: mysql:8
 +    restart: always
 +    environment:
 +      - MYSQL_ROOT_PASSWORD=gitea
@@ -188,7 +188,7 @@ services:
 +      - db
 +
 +  db:
-+    image: postgres:9.6
++    image: postgres:13
 +    restart: always
 +    environment:
 +      - POSTGRES_USER=gitea

docs/content/doc/installation/with-docker.zh-cn.md

@@ -122,7 +122,7 @@ services:
 +      - db
 +
 +  db:
-+    image: mysql:5.7
++    image: mysql:8
 +    restart: always
 +    environment:
 +      - MYSQL_ROOT_PASSWORD=gitea
@@ -172,7 +172,7 @@ services:
 +      - db
 +
 +  db:
-+    image: postgres:9.6
++    image: postgres:13
 +    restart: always
 +    environment:
 +      - POSTGRES_USER=gitea

integrations/README_ZH.md

@@ -26,7 +26,7 @@ make test-sqlite
 ## 如何使用 mysql 数据库进行集成测试
 首先在docker容器里部署一个 mysql 数据库
 ```
-docker run -e "MYSQL_DATABASE=test" -e "MYSQL_ALLOW_EMPTY_PASSWORD=yes" -p 3306:3306 --rm --name mysql mysql:5.7 #(just ctrl-c to stop db and clean the container) 
+docker run -e "MYSQL_DATABASE=test" -e "MYSQL_ALLOW_EMPTY_PASSWORD=yes" -p 3306:3306 --rm --name mysql mysql:8 #(just ctrl-c to stop db and clean the container) 
 ```
 之后便可以基于这个数据库进行集成测试
 ```
@@ -36,7 +36,7 @@ TEST_MYSQL_HOST=localhost:3306 TEST_MYSQL_DBNAME=test TEST_MYSQL_USERNAME=root T
 ## 如何使用 pgsql 数据库进行集成测试
 同上，首先在 docker 容器里部署一个 pgsql 数据库
 ```
-docker run -e "POSTGRES_DB=test" -p 5432:5432 --rm --name pgsql postgres:9.5 #(just ctrl-c to stop db and clean the container) 
+docker run -e "POSTGRES_DB=test" -p 5432:5432 --rm --name pgsql postgres:13 #(just ctrl-c to stop db and clean the container) 
 ```
 之后便可以基于这个数据库进行集成测试
 ```