chore: exclude gridgen from pymake build

also use uv-compatible github repo dependency syntax in requirements.txt

Author: wpbonelli

.github/workflows/integration.yml

@@ -86,7 +86,7 @@ jobs:
           command: |
             ostag="${{ steps.ostag.outputs.ostag }}"
             mkdir $ostag
-            make-program : --appdir $ostag --zip $ostag.zip --verbose
+            make-program : --appdir $ostag -ex gridgen --zip $ostag.zip --verbose
             make-program mf2005,mflgr,mfnwt,mfusg --appdir $ostag --double --keep --zip $ostag.zip --verbose
             if [[ "${{ matrix.os }}" == "macos-14" ]]; then
               make-program mf6 --appdir $ostag --keep --zip $ostag.zip --verbose --fflags='-O1'

.github/workflows/release.yml

@@ -90,7 +90,7 @@ jobs:
           command: |
             ostag="${{ steps.ostag.outputs.ostag }}"
             mkdir $ostag
-            make-program : --appdir $ostag --zip $ostag.zip --verbose
+            make-program : --appdir $ostag -ex gridgen --zip $ostag.zip --verbose
             make-program mf2005,mflgr,mfnwt,mfusg --appdir $ostag --double --keep --zip $ostag.zip --verbose
             if [[ "${{ matrix.os }}" == "macos-14" ]]; then
               make-program mf6 --appdir $ostag --keep --zip $ostag.zip --verbose --fflags='-O1'

requirements.txt

@@ -1,3 +1,3 @@
 wheel
-https://github.com/modflowpy/pymake/zipball/develop
-https://github.com/MODFLOW-ORG/modflow-devtools/zipball/develop
+https://github.com/modflowpy/pymake/archive/develop.zip
+https://github.com/MODFLOW-ORG/modflow-devtools/archive/develop.zip