Update golang Docker tag to v1.25

Author: renovate[bot]

.drone.yml

@@ -8,7 +8,7 @@ platform:
 
 steps:
 - name: vet
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - go vet ./...
   environment:
@@ -18,7 +18,7 @@ steps:
     path: /go
 
 - name: test
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - echo "ignore test"
   # - go test -cover ./...
@@ -48,7 +48,7 @@ platform:
 
 steps:
 - name: build-push
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-docker ./cmd/drone-docker"
   environment:
@@ -60,7 +60,7 @@ steps:
       - tag
 
 - name: build-tag
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-docker ./cmd/drone-docker"
   environment:
@@ -71,7 +71,7 @@ steps:
     - tag
 
 - name: executable
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - ./release/linux/amd64/drone-docker --help
 
@@ -139,7 +139,7 @@ platform:
 
 steps:
 - name: build-push
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-gcr ./cmd/drone-gcr"
   environment:
@@ -151,7 +151,7 @@ steps:
       - tag
 
 - name: build-tag
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-gcr ./cmd/drone-gcr"
   environment:
@@ -224,7 +224,7 @@ platform:
 
 steps:
 - name: build-push
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-ecr ./cmd/drone-ecr"
   environment:
@@ -236,7 +236,7 @@ steps:
       - tag
 
 - name: build-tag
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-ecr ./cmd/drone-ecr"
   environment:
@@ -310,7 +310,7 @@ platform:
 
 steps:
 - name: build-push
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-heroku ./cmd/drone-heroku"
   environment:
@@ -322,7 +322,7 @@ steps:
       - tag
 
 - name: build-tag
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-heroku ./cmd/drone-heroku"
   environment:
@@ -395,7 +395,7 @@ platform:
 
 steps:
 - name: build-push
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -tags netgo -o release/linux/amd64/drone-acr ./cmd/drone-acr"
   environment:
@@ -407,7 +407,7 @@ steps:
       - tag
 
 - name: build-tag
-  image: golang:1.21
+  image: golang:1.25
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -tags netgo -o release/linux/amd64/drone-acr ./cmd/drone-acr"
   environment: