ci: migrate from Hetzner to Backblaze

.crow/build.yaml

@@ -113,7 +113,7 @@ steps:
       - apk add -q --no-cache curl
       - |
           VERSION=$(cat r-version-to-build.txt)
-          curl -s "https://fsn1.your-objectstorage.com/devxy-r-builds?prefix=${PLATFORM_ID}/" | \
+          curl -s "https://s3.eu-central-003.backblazeb2.com/devxy-r-builds?prefix=${PLATFORM_ID}/" | \
             grep -oP '<Key>[^<]+</Key>' | sed 's/<[^>]*>//g' | \
             awk -v arch="${ARCH_ID}" -v ver="${VERSION}" \
               '$0 ~ arch && $0 ~ ver {print substr($NF, 3, 5)}' > r-version-s3.txt
@@ -149,7 +149,7 @@ steps:
           kubernetes.io/arch: "${ARCH}"
 
 
-  - name: Upload to Hetzner S3
+  - name: Upload to Backblaze S3
     image: reg.devxy.io/docker.io/woodpeckerci/plugin-s3:1.5.2
     pull: true
     settings:
@@ -157,13 +157,13 @@ steps:
       strip_prefix: /tmp/${PLATFORM}/
       source: /tmp/${PLATFORM}/*
       target: ${PLATFORM_ID}/
-      region: fsn1
+      region: eu-central-003
       acl: public-read
-      endpoint: https://fsn1.your-objectstorage.com
+      endpoint: https://s3.eu-central-003.backblazeb2.com
       access_key:
-        from_secret: HETZNER_S3_ACCESS_KEY_K3S
+        from_secret: B2_S3_ACCESS_KEY_ID
       secret_key:
-        from_secret: HETZNER_S3_SECRET_KEY_K3S
+        from_secret: B2_S3_SECRET_KEY
       overwrite: false
     volumes:
       - ci-tmp-rwx:/tmp # agent on k8s
@@ -185,7 +185,7 @@ services:
   docker:
     environment:
       DOCKER_TLS_CERTDIR: ""
-    image: reg.devxy.io/docker.io/library/docker:28-dind
+    image: reg.devxy.io/docker.io/library/docker:29-dind
     commands:
       - mkdir -p /tmp/${PLATFORM}/${ARCH}
       - dockerd --tls=false --mtu 1420 --host=tcp://0.0.0.0:2375