CI: Compact filesystem.

Bump dir2uf2 to v0.0.5 and use --fs-compact to trim the PicoSystem "with
examples" uf2 from 32mb down to around 2mb.

.github/workflows/micropython.yml

@@ -107,7 +107,7 @@ jobs:
       uses: actions/checkout@v4
       with:
         repository: gadgetoid/dir2uf2
-        ref: v0.0.4
+        ref: v0.0.5
         path: dir2uf2
 
     - name: "HACK: Overclock & Overvolt Patch"
@@ -150,8 +150,8 @@ jobs:
     - name: Append Filesystem
       shell: bash
       run: |
-        python3 -m pip install littlefs-python==0.4.0
-        ./dir2uf2/dir2uf2 --append-to micropython/ports/rp2/build/${{env.RELEASE_FILE}} --manifest ${{env.BOARD_DIR}}/uf2-manifest.txt --filename with-examples.uf2 ${{env.EXAMPLES_DIR}}/
+        python3 -m pip install -r dir2uf2/requirements-micropython-1.23.0.txt
+        ./dir2uf2/dir2uf2 --fs-compact --append-to micropython/ports/rp2/build/${{env.RELEASE_FILE}} --manifest ${{env.BOARD_DIR}}/uf2-manifest.txt --filename with-examples.uf2 ${{env.EXAMPLES_DIR}}/
 
     - name: Store .uf2 as artifact
       uses: actions/upload-artifact@v4