Bump ffmpeg to 8.1.2

Author: ioppermann

.github/workflows/build_base_alpine-rpi.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - ffmpeg_version: "8.1.1"
+          - ffmpeg_version: "8.1.2"
             os: alpine
             os_version: "3.23"
             platforms: linux/arm64, linux/arm/v7

.github/workflows/build_base_alpine.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - ffmpeg_version: "8.1.1"
+          - ffmpeg_version: "8.1.2"
             os: alpine
             os_version: "3.23"
             platforms: linux/amd64,linux/arm64,linux/arm/v7

.github/workflows/build_base_ubuntu-cuda.yaml

@@ -18,7 +18,7 @@ jobs:
             platforms: linux/amd64
             cuda_version: "12.9.1"
             ffnvcodec_version: "12.2.72.0"
-            ffmpeg_version: "8.1.1"
+            ffmpeg_version: "8.1.2"
     steps:
       - name: Get current date
         run: |

.github/workflows/build_base_ubuntu-vaapi.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - ffmpeg_version: "8.1.1"
+          - ffmpeg_version: "8.1.2"
             os: ubuntu
             os_version: "24.04"
             platforms: linux/amd64