add .git to dev dependency specifications (#932)

requirements-dev-st.txt

@@ -1,13 +1,13 @@
 # Roman upstream packages
-git+https://github.com/spacetelescope/roman_datamodels
-git+https://github.com/spacetelescope/rad
+git+https://github.com/spacetelescope/roman_datamodels.git
+git+https://github.com/spacetelescope/rad.git
 
 # shared upstream packages
-git+https://github.com/spacetelescope/stcal
-git+https://github.com/spacetelescope/stpipe
+git+https://github.com/spacetelescope/stcal.git
+git+https://github.com/spacetelescope/stpipe.git
 
 # Other important upstream packages
-git+https://github.com/spacetelescope/crds
-git+https://github.com/spacetelescope/gwcs
-git+https://github.com/spacetelescope/metrics_logger
-git+https://github.com/spacetelescope/tweakwcs
+git+https://github.com/spacetelescope/crds.git
+git+https://github.com/spacetelescope/gwcs.git
+git+https://github.com/spacetelescope/metrics_logger.git
+git+https://github.com/spacetelescope/tweakwcs.git

requirements-dev-thirdparty.txt

@@ -1,12 +1,12 @@
 # ASDF upstream packages
-git+https://github.com/asdf-format/asdf-standard
-git+https://github.com/asdf-format/asdf
-git+https://github.com/asdf-format/asdf-transform-schemas
-git+https://github.com/asdf-format/asdf-coordinates-schemas
-git+https://github.com/asdf-format/asdf-wcs-schemas
+git+https://github.com/asdf-format/asdf-standard.git
+git+https://github.com/asdf-format/asdf.git
+git+https://github.com/asdf-format/asdf-transform-schemas.git
+git+https://github.com/asdf-format/asdf-coordinates-schemas.git
+git+https://github.com/asdf-format/asdf-wcs-schemas.git
 
 # Use weekly astropy dev build
-git+https://github.com/astropy/asdf-astropy
+git+https://github.com/astropy/asdf-astropy.git
 --extra-index-url https://pypi.anaconda.org/astropy/simple astropy --pre
 git+https://github.com/astropy/photutils.git