[WIP][Testing] Try-fix self-hosted firmware builds

.github/workflows/build_firmware.yml

@@ -18,7 +18,7 @@ permissions: read-all
 jobs:
   pio-build:
     name: build-${{ inputs.platform }}
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
         with:

.github/workflows/build_one_arch.yml

@@ -20,7 +20,7 @@ jobs:
   setup:
     strategy:
       fail-fast: false
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6

.github/workflows/build_one_target.yml

@@ -40,7 +40,7 @@ jobs:
           - rp2350
           - stm32
 
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6

.github/workflows/main_matrix.yml

@@ -41,7 +41,7 @@ jobs:
           - rp2350
           - stm32
           - check
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6

.github/workflows/merge_queue.yml

@@ -25,7 +25,7 @@ jobs:
           - rp2350
           - stm32
           - check
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6