ci: move from using global `rust` image to local `rust-upend`

.woodpecker.yml

@@ -1,16 +1,10 @@
 pipeline:
-  prepare:task:
-    image: rust:latest
-    commands:
-      - mkdir .ci_tmp
-      - sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b .ci_tmp
-
   build:backend:
     group: build
-    image: rust:latest
+    image: albedo.lan/rust-upend:latest
     commands:
       - rustc --version && cargo --version
-      - ./.ci_tmp/task build:backend
+      - task build:backend
     # volumes:
     #   - rust_registry:/usr/local/cargo
     when:
@@ -25,7 +19,7 @@ pipeline:
     image: node:lts
     commands:
       - node --version && npm --version
-      - ./.ci_tmp/task build:frontend
+      - task build:frontend
     when:
       path:
         - webui/**/*
@@ -33,10 +27,10 @@ pipeline:
 
   lint:backend:
     group: lint
-    image: rust:latest
+    image: albedo.lan/rust-upend:latest
     commands:
       - rustup component add clippy
-      - ./.ci_tmp/task lint:backend
+      - task lint:backend
       - git status -vvv
     # volumes:
     #   - rust_registry:/usr/local/cargo
@@ -52,7 +46,7 @@ pipeline:
     image: node:lts
     commands:
       - node --version && npm --version
-      - ./.ci_tmp/task lint:frontend
+      - task lint:frontend
     when:
       path:
         - webui/**/*
@@ -63,7 +57,7 @@ pipeline:
     image: node:lts
     commands:
       - node --version && npm --version
-      - ./.ci_tmp/task lint:jslib
+      - task lint:jslib
     when:
       path:
         - tools/upend_js/**/*
@@ -74,7 +68,7 @@ pipeline:
     image: node:lts
     commands:
       - node --version && npm --version
-      - ./.ci_tmp/task lint:webext
+      - task lint:webext
     when:
       path:
         - webext/**/*
@@ -82,10 +76,10 @@ pipeline:
 
   test:backend:
     group: test
-    image: rust:latest
+    image: albedo.lan/rust-upend:latest
     commands:
       - curl -LsSf https://get.nexte.st/latest/linux | tar zxf - -C /usr/local/cargo/bin
-      - ./.ci_tmp/task test:backend
+      - task test:backend
     # volumes:
     #   - rust_registry:/usr/local/cargo
     when:
@@ -96,7 +90,7 @@ pipeline:
         - Taskfile.yml
 
   package:
-    image: rust:latest
+    image: albedo.lan/rust-upend:latest
     commands:
       - cd ./.ci_tmp/
       - wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
@@ -105,7 +99,7 @@ pipeline:
       - ln -s $PWD/squashfs-root/AppRun /usr/local/bin/linuxdeploy-x86_64.AppImage
       - cd -
       - git status -vvv
-      - ./.ci_tmp/task package
+      - task package
     when:
       event: [tag]