chore(deps): update golang docker tag to v1.26

auth/Dockerfile

@@ -1,10 +1,10 @@
-FROM --platform=$BUILDPLATFORM golang:1.25 AS build
+FROM --platform=$BUILDPLATFORM golang:1.26 AS build
 WORKDIR /app
 
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
 RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=$TARGETARCH go build -o /keibi
 
 FROM gcr.io/distroless/base-debian11

auth/Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM golang:1.25 AS build
+FROM golang:1.26 AS build
 WORKDIR /app
 
 COPY go.mod go.sum ./

transcoder/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25 AS build
+FROM golang:1.26 AS build
 RUN apt-get update \
 	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	ffmpeg libavformat-dev libavutil-dev libswscale-dev \
@@ -9,7 +9,7 @@
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
 RUN GOOS=linux go build -o ./transcoder
 
 # https://packages.debian.org/trixie/ffmpeg for version tracking

transcoder/Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM golang:1.25
+FROM golang:1.26
 # read target arch from buildx or default to amd64 if using legacy builder.
 ARG TARGETARCH
 ENV TARGETARCH=${TARGETARCH:-amd64}