Hotfix lwip submodule to avoid server errors

Pulls down the upstream patch from https://github.com/micropython/micropython/pull/7250 and applies it.

Issue discussed here: https://github.com/micropython/micropython/issues/5356

.github/workflows/micropython-with-blinka.yml

@@ -81,10 +81,20 @@ jobs:
       run: |
         sudo apt update && sudo apt install ${{matrix.apt-packages}}
 
+    - name: Hotfix lwip submodule
+      shell: bash
+      working-directory: micropython
+      run: |
+        git config --global user.email "hotfix@example.com"
+        git config --global user.name "Sassy McGuffin"
+        wget https://github.com/micropython/micropython/commit/43e7e5f00a601b36b5b39f1fef036d6c25d5562c.patch
+        git am 43e7e5f00a601b36b5b39f1fef036d6c25d5562c.patch
+
     - name: Fetch base MicroPython submodules
       shell: bash
       working-directory: micropython
-      run: git submodule update --init
+      run: |
+        git submodule update --init
 
     - name: Fetch Pico SDK submodules
       shell: bash

.github/workflows/micropython.yml

@@ -47,6 +47,15 @@ jobs:
       run: |
         sudo apt update && sudo apt install ${{matrix.apt-packages}}
 
+    - name: Hotfix lwip submodule
+      shell: bash
+      working-directory: micropython
+      run: |
+        git config --global user.email "hotfix@example.com"
+        git config --global user.name "Sassy McGuffin"
+        wget https://github.com/micropython/micropython/commit/43e7e5f00a601b36b5b39f1fef036d6c25d5562c.patch
+        git am 43e7e5f00a601b36b5b39f1fef036d6c25d5562c.patch
+
     - name: Fetch base MicroPython submodules
       shell: bash
       working-directory: micropython