[MISC] (deps): Bump golang from 1.15.5-alpine to 1.15.6-alpine (#1519)

Bumps golang from 1.15.5-alpine to 1.15.6-alpine.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: James Elliott <james-d-elliott@users.noreply.github.com>

Dockerfile

@@ -12,7 +12,7 @@ RUN yarn install --frozen-lockfile && INLINE_RUNTIME_CHUNK=false yarn build
 # =======================================
 # ===== Build image for the backend =====
 # =======================================
-FROM golang:1.15.5-alpine AS builder-backend
+FROM golang:1.15.6-alpine AS builder-backend
 
 ARG BUILD_TAG
 ARG BUILD_COMMIT

Dockerfile.arm32v7

@@ -12,7 +12,7 @@ RUN yarn install --frozen-lockfile && INLINE_RUNTIME_CHUNK=false yarn build
 # =======================================
 # ===== Build image for the backend =====
 # =======================================
-FROM golang:1.15.5-alpine AS builder-backend
+FROM golang:1.15.6-alpine AS builder-backend
 
 ARG BUILD_TAG
 ARG BUILD_COMMIT

Dockerfile.arm64v8

@@ -12,7 +12,7 @@ RUN yarn install --frozen-lockfile && INLINE_RUNTIME_CHUNK=false yarn build
 # =======================================
 # ===== Build image for the backend =====
 # =======================================
-FROM golang:1.15.5-alpine AS builder-backend
+FROM golang:1.15.6-alpine AS builder-backend
 
 ARG BUILD_TAG
 ARG BUILD_COMMIT

Dockerfile.coverage

@@ -12,7 +12,7 @@ RUN yarn install --frozen-lockfile && INLINE_RUNTIME_CHUNK=false yarn coverage
 # =======================================
 # ===== Build image for the backend =====
 # =======================================
-FROM golang:1.15.5-alpine AS builder-backend
+FROM golang:1.15.6-alpine AS builder-backend
 
 ARG BUILD_TAG
 ARG BUILD_COMMIT